{"id":5117,"date":"2022-10-14T14:38:32","date_gmt":"2022-10-14T14:38:32","guid":{"rendered":"https:\/\/www.studyzonebd.com\/math\/?p=5117"},"modified":"2022-10-14T17:57:42","modified_gmt":"2022-10-14T17:57:42","slug":"class-8-chapter-6-lesson-6-2","status":"publish","type":"post","link":"https:\/\/www.studyzonebd.com\/math\/class-8-chapter-6-lesson-6-2\/","title":{"rendered":"\u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 | \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Eight (08) <a href=\"https:\/\/en.wikipedia.org\/wiki\/Mathematics\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Math <\/a>Book Solution | <a href=\"https:\/\/www.studyzonebd.com\/math\">Chapter <\/a>06 : Simple co-equation| Class 8 math book Online Solution in Bangla (BD)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 &#8211; <a href=\"#download-pdf-521415415\">PDF<\/a><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 \u098f\u09b0 \u09b8\u0995\u09b2 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u0989\u09a4\u09cd\u09a4\u09b0 \u098f\u0996\u09be\u09a8\u09c7 \u09b0\u09df\u09c7\u099b\u09c7\u0964 \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09be\u09a7\u09be\u09a8<\/p>\n\n\n\n<h4 class=\"has-text-align-center has-ast-global-color-1-color has-text-color wp-block-heading\"><span style=\"text-decoration: underline;\"><strong>\u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u0997\u09a3\u09bf\u09a4 \u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u09b8\u09ae\u09be\u09a7\u09be\u09a8<\/strong><\/span><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0 \u09b8\u09b9\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u0997\u09a0\u09a8 \u0993 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u098f\u09ac\u0982 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u09b8\u09b0\u09b2 \u09b8\u09b9\u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09ac\u09b9\u09c1\u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8\u09bf \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7. x+y=5, x-y=3 \u09b9\u09b2\u09c7 (x,y) \u098f\u09b0 \u09ae\u09be\u09a8 \u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a8\u099f\u09bf?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) (4,1)&nbsp;&nbsp;&nbsp;&nbsp;\u0996) (1,4)&nbsp;&nbsp;&nbsp;&nbsp;\u0997) (2,3)&nbsp;&nbsp;&nbsp;&nbsp;\u0998) (3,2)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e8. \u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a8\u099f\u09bf \u09b8\u09b0\u09b2 \u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09c7 \u09a8\u09be?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) 3x-3y=0&nbsp;&nbsp;&nbsp;&nbsp;\u0996) x+y=5&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0997) x=1\/y&nbsp;&nbsp;&nbsp;&nbsp;\u0998) 4x+5y=9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0997<a><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e9. x-2y=8, 3x-2y=4 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f\u09c7\u09b0 x \u098f\u09b0 \u09ae\u09be\u09a8 \u0995\u09a4?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) -5&nbsp;&nbsp;&nbsp;&nbsp;\u0996) -2&nbsp;&nbsp;&nbsp;&nbsp;\u0997) 2&nbsp;&nbsp;&nbsp;&nbsp;\u0998) 5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0996<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09ea. 4x+5y=9 \u09b8\u09ae\u09c0\u0995\u09b0\u09a8\u099f\u09bf\u09a4\u09c7 \u0995\u09af\u09bc\u099f\u09bf \u099a\u09b2\u0995 \u0986\u099b\u09c7?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) 0&nbsp;&nbsp;&nbsp;&nbsp;\u0996) 1&nbsp;&nbsp;&nbsp;&nbsp;\u0997) 2&nbsp;&nbsp;&nbsp;&nbsp;\u0998) 3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0997<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09eb. \u09ae\u09c2\u09b2 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0982\u0995 \u0995\u09cb\u09a8\u099f\u09bf?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) (0,0)&nbsp;&nbsp;&nbsp;&nbsp;\u0996) (0,1)&nbsp;&nbsp;&nbsp;&nbsp;\u0997) (1,0)&nbsp;&nbsp;&nbsp;&nbsp;\u0998) (1,1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09ec. (-3,-5) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u099f\u09bf \u0995\u09cb\u09a8 \u099a\u09a4\u09c1\u09b0\u09cd\u09ad\u09be\u0997\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) \u09aa\u09cd\u09b0\u09a5\u09ae&nbsp;&nbsp;&nbsp;&nbsp;\u0996) \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc&nbsp;&nbsp;&nbsp;&nbsp;\u0997) \u09a4\u09c3\u09a4\u09c0\u09af\u09bc&nbsp;&nbsp;&nbsp;&nbsp;\u0998) \u099a\u09a4\u09c1\u09b0\u09cd\u09a5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0997<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09ed. x+2=30 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u09c7\u09b0 \u0989\u09aa\u09b0 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">i. (10,10)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ii. (0,15)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">iii. (10,20)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a8\u099f\u09bf \u09b8\u09a0\u09bf\u0995?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) i \u0993 ii&nbsp;&nbsp;&nbsp;&nbsp;\u0996) i \u0993 iii&nbsp;&nbsp;&nbsp;&nbsp;\u0997) ii \u0993 iii&nbsp;&nbsp;&nbsp;&nbsp;\u0998) i, ii \u0993 iii<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>\u25a0<\/strong> \u09a8\u09bf\u099a\u09c7\u09b0 \u0985\u09a8\u09c1\u099a\u09cd\u099b\u09c7\u09a6\u099f\u09bf \u09b2\u0995\u09cd\u09b7 \u0995\u09b0\u09c7 \u09ee \u0993 \u09ef \u09a8\u0982 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09c7\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u0993 y \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf\u09b0 \u09ac\u09bf\u09af\u09bc\u09cb\u0997\u09ab\u09b2\u09c7\u09b0 \u0985\u09b0\u09cd\u09a7\u09c7\u0995 4\u0964 \u09ac\u09a1\u09bc \u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf\u09b0 \u09b8\u09be\u09a5\u09c7 \u099b\u09cb\u099f \u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf\u09b0 \u09a4\u09bf\u09a8\u0997\u09c1\u09a3 \u09af\u09cb\u0997 \u0995\u09b0\u09b2\u09c7 \u09af\u09cb\u0997\u09ab\u09b2 20 \u09b9\u09af\u09bc\u0964 \u09af\u09c7\u0996\u09be\u09a8\u09c7 x&gt;y\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09ee. \u09aa\u09cd\u09b0\u09a5\u09ae \u09b6\u09b0\u09cd\u09a4 \u0995\u09cb\u09a8\u099f\u09bf?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) x-y=4&nbsp;&nbsp;&nbsp;&nbsp;\u0996) x-y=8&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0997) y-x=4&nbsp;&nbsp;&nbsp;&nbsp;\u0998) y-x=8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0996<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09ef.(x,y) \u098f\u09b0 \u09ae\u09be\u09a8 \u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a8\u099f\u09bf?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0995) (3,11)&nbsp;&nbsp;&nbsp;&nbsp;\u0996) (7,3)&nbsp;&nbsp;&nbsp;&nbsp;\u0997) (11,7)&nbsp;&nbsp;&nbsp;&nbsp;\u0998) (11,3)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0998<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09e6. \u09a6\u09c1\u0987\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09af\u09cb\u0997\u09ab\u09b2 100 \u098f\u09ac\u0982 \u09ac\u09bf\u09af\u09bc\u09cb\u0997\u09ab\u09b2 20 \u09b9\u09b2\u09c7, \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf x \u0993 y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a4\u09be\u09b9\u09b2\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, x+y=100\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, x-y=20\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)+(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2x=120<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=120\/2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=60<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ae\u09be\u09a8 (i) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">60+y=100<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=100-60<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=40<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf 60 \u0993 40<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09e7. \u09a6\u09c1\u0987\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09af\u09cb\u0997\u09ab\u09b2 160 \u098f\u09ac\u0982 \u098f\u0995\u099f\u09bf \u0985\u09aa\u09b0\u099f\u09bf\u09b0 \u09a4\u09bf\u09a8\u0997\u09c1\u09a3 \u09b9\u09b2\u09c7, \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf x \u0993 y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a4\u09be\u09b9\u09b2\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, x+y=160\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, x=3y\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ae\u09be\u09a8 (i) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3y+y=160<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;4y=160<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=160\/4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=40<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;x=3\u271540=120<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf 120 \u0993 40<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09e8. \u09a6\u09c1\u0987\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae\u099f\u09bf\u09b0 \u09a4\u09bf\u09a8\u0997\u09c1\u09a3\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc\u099f\u09bf\u09b0 \u09a6\u09c1\u0987\u0997\u09c1\u09a3 \u09af\u09cb\u0997 \u0995\u09b0\u09b2\u09c7 59 \u09b9\u09af\u09bc\u0964 \u0986\u09ac\u09be\u09b0, \u09aa\u09cd\u09b0\u09a5\u09ae\u099f\u09bf\u09b0 \u09a6\u09c1\u0987\u0997\u09c1\u09a3 \u09a5\u09c7\u0995\u09c7 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc\u099f\u09bf \u09ac\u09bf\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09b2\u09c7 9 \u09b9\u09af\u09bc\u0964 \u09b8\u0982\u0996\u09cd\u09af\u09be\u09a6\u09cd\u09ac\u09af\u09bc \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf x \u0993 y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a4\u09be\u09b9\u09b2\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, 3x+2y=59\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, 2x-y=9\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i) \u09a8\u0982 \u0995\u09c7 1 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0993 (ii) \u09a8\u0982 \u0995\u09c7 2 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0997\u09c1\u09a3 \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3x+2y=59<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"text-decoration: underline;\">4x-2y=18<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7x=77\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(\u09af\u09cb\u0997 \u0995\u09b0\u09c7)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=77\/7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=11<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ae\u09be\u09a8 (ii) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u271511-y=9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;22-y=9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;-y=9-22<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;-y=-13<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=13<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09b8\u0982\u0996\u09cd\u09af\u09be \u09a6\u09c1\u0987\u099f\u09bf 11 \u0993 13<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09e9. 5 \u09ac\u099b\u09b0 \u09aa\u09c2\u09b0\u09cd\u09ac\u09c7 \u09aa\u09bf\u09a4\u09be \u0993 \u09aa\u09c1\u09a4\u09cd\u09b0\u09c7\u09b0 \u09ac\u09af\u09bc\u09b8\u09c7\u09b0 \u0985\u09a8\u09c1\u09aa\u09be\u09a4 \u099b\u09bf\u09b2 3:1 \u098f\u09ac\u0982 15 \u09ac\u099b\u09b0 \u09aa\u09b0 \u09aa\u09bf\u09a4\u09be-\u09aa\u09c1\u09a4\u09cd\u09b0\u09c7\u09b0 \u09ac\u09af\u09bc\u09b8\u09c7\u09b0 \u0985\u09a8\u09c1\u09aa\u09be\u09a4 \u09b9\u09ac\u09c7 2:1\u0964 \u09aa\u09bf\u09a4\u09be \u0993 \u09aa\u09c1\u09a4\u09cd\u09b0\u09c7\u09b0 \u09ac\u09b0\u09cd\u09a4\u09ae\u09be\u09a8 \u09ac\u09af\u09bc\u09b8 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09b0\u09cd\u09a4\u09ae\u09be\u09a8\u09c7 \u09aa\u09bf\u09a4\u09be\u09b0 \u09ac\u09af\u09bc\u09b8 x \u09ac\u099b\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09aa\u09c1\u09a4\u09cd\u09b0\u09c7\u09b0 \u09ac\u09af\u09bc\u09b8 y \u09ac\u099b\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(x-5) : (y-5) = 3 : 1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x-5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, &#8212;&#8212;&#8211; = &#8212;&#8212;&#8212;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;y-5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-5=3y-15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-3y=-15+5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-3y=-10\u2026\u2026\u2026\u2026\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(x+15) : (y+15) = 2 : 1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x+15&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, &#8212;&#8212;&#8212;- = &#8212;&#8212;&#8212;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;y+15&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x+15=2y+30<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-2y=30-15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-2y=15\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)-(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=-25<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=25<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y \u098f\u09b0 \u09ae\u09be\u09a8 (ii) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2\u271525=15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-50=15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=15+50<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=65<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09ac\u09b0\u09cd\u09a4\u09ae\u09be\u09a8\u09c7 \u09aa\u09bf\u09a4\u09be\u09b0 \u09ac\u09af\u09bc\u09b8 65 \u09ac\u099b\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09aa\u09c1\u09a4\u09cd\u09b0\u09c7\u09b0 \u09ac\u09af\u09bc\u09b8 25 \u09ac\u099b\u09b0&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09ea. \u0995\u09cb\u09a8\u09cb \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u09c7\u09b0 \u09b2\u09ac\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 5 \u09af\u09cb\u0997 \u0995\u09b0\u09b2\u09c7 \u098f\u09b0 \u09ae\u09be\u09a8 2 \u09b9\u09af\u09bc\u0964 \u0986\u09ac\u09be\u09b0, \u09b9\u09b0 \u09a5\u09c7\u0995\u09c7 1 \u09ac\u09bf\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09b2\u09c7 \u098f\u09b0 \u09ae\u09be\u09a8 1 \u09b9\u09af\u09bc\u0964 \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf x\/y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;x+5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8212;&#8212;&#8212;&#8211; = 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x+5=2y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-2y=-5\u2026\u2026\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8212;&#8212;&#8212;- =1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;y-1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=y-1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-y=-1\u2026\u2026\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)-(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=-4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y \u098f\u09b0 \u09ae\u09be\u09a8 (i) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2\u27154=-5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-8=-5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=-5+8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf 3\/4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09eb. \u0995\u09cb\u09a8\u09cb \u09aa\u09cd\u09b0\u0995\u09c3\u09a4 \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u09c7\u09b0 \u09b2\u09ac \u0993 \u09b9\u09b0\u09c7\u09b0 \u09af\u09cb\u0997\u09ab\u09b2 14 \u098f\u09ac\u0982 \u09ac\u09bf\u09af\u09bc\u09cb\u0997\u09ab\u09b2 8 \u09b9\u09b2\u09c7, \u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, \u09aa\u09cd\u09b0\u0995\u09c3\u09a4\u09cd\u09a4 \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf x\/y; x&lt;y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a4\u09be\u09b9\u09b2\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, x+y=14\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, y-x=8\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)+(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2y=22<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=22\/2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=11<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y \u098f\u09b0 \u09ae\u09be\u09a8 (i) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+11=14<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=14-11<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf = 3\/11<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09ec. \u09a6\u09c1\u0987 \u0985\u0999\u09cd\u0995\u09ac\u09bf\u09b6\u09bf\u09b7\u09cd\u099f \u0995\u09cb\u09a8\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b0 \u0985\u0999\u09cd\u0995\u09a6\u09cd\u09ac\u09af\u09bc\u09c7\u09b0 \u09af\u09cb\u0997\u09ab\u09b2 10 \u098f\u09ac\u0982 \u09ac\u09bf\u09af\u09bc\u09cb\u0997\u09ab\u09b2 4 \u09b9\u09b2\u09c7, \u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf\u09b0 \u098f\u0995\u0995 \u09b8\u09cd\u09a5\u09be\u09a8\u09c0\u09af\u09bc \u0985\u0999\u09cd\u0995\u099f\u09bf x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09a6\u09b6\u0995 \u09b8\u09cd\u09a5\u09be\u09a8\u09c0\u09af\u09bc \u0985\u0999\u09cd\u0995\u099f\u09bf y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf = 10y+x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, x+y=10\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, x-y=4\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)+(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2x=14<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x= 14\/2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ae\u09be\u09a8 (i) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7+y=10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=10-7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf = 10\u27153+7=30+7=37<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09ed. \u098f\u0995\u099f\u09bf \u0986\u09af\u09bc\u09a4\u09be\u0995\u09be\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 \u0985\u09aa\u09c7\u0995\u09cd\u09b7\u09be 25 \u09ae\u09bf\u099f\u09be\u09b0 \u09ac\u09c7\u09b6\u09bf\u0964 \u0986\u09af\u09bc\u09a4\u09be\u0995\u09be\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u099f\u09bf\u09b0 \u09aa\u09b0\u09bf\u09b8\u09c0\u09ae\u09be 150 \u09ae\u09bf\u099f\u09be\u09b0 \u09b9\u09b2\u09c7, \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u099f\u09bf\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u0993 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09af\u09bc\u09a4\u09be\u0995\u09be\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u099f\u09bf\u09b0 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 x \u09ae\u09bf\u099f\u09be\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a4\u09be\u09b9\u09b2\u09c7 \u098f\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af (x+25) \u09ae\u09bf\u099f\u09be\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ae\u09b0\u09be \u099c\u09be\u09a8\u09bf,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09af\u09bc\u09a4\u09be\u0995\u09be\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7\u09b0 \u09aa\u09b0\u09bf\u09b8\u09c0\u09ae\u09be = 2(\u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af+\u09aa\u09cd\u09b0\u09b8\u09cd\u09a5)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;150=2(x+x+25)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;150=2(2x+25)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;150=4x+50<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;4x=150-50<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;4x=100<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=100\/4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=25<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u0986\u09af\u09bc\u09a4\u09be\u0995\u09be\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u099f\u09bf\u09b0 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 25 \u09ae\u09bf\u099f\u09be\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u098f\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af (25+25)=50 \u09ae\u09bf\u099f\u09be\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09ee. \u098f\u0995\u099c\u09a8 \u09ac\u09be\u09b2\u0995 \u09a6\u09cb\u0995\u09be\u09a8 \u09a5\u09c7\u0995\u09c7 15\u099f\u09bf \u0996\u09be\u09a4\u09be \u0993 10\u099f\u09bf \u09aa\u09c7\u09a8\u09cd\u09b8\u09bf\u09b2 300 \u099f\u09be\u0995\u09be \u09a6\u09bf\u09af\u09bc\u09c7 \u0995\u09cd\u09b0\u09af\u09bc \u0995\u09b0\u09b2\u09cb\u0964 \u0986\u09ac\u09be\u09b0 \u0985\u09a8\u09cd\u09af \u098f\u0995\u099c\u09a8 \u09ac\u09be\u09b2\u0995 \u098f\u0995\u0987 \u09a6\u09cb\u0995\u09be\u09a8 \u09a5\u09c7\u0995\u09c7 \u098f\u0995\u0987 \u09a7\u09b0\u09a8\u09c7\u09b0 10\u099f\u09bf \u0996\u09be\u09a4\u09be 15\u099f\u09bf \u09aa\u09c7\u09a8\u09cd\u09b8\u09bf\u09b2 250 \u099f\u09be\u0995\u09be\u09af\u09bc \u0995\u09cd\u09b0\u09af\u09bc \u0995\u09b0\u09b2\u09cb\u0964 \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf \u0996\u09be\u09a4\u09be \u0993 \u09aa\u09c7\u09a8\u09cd\u09b8\u09bf\u09b2\u09c7\u09b0 \u09ae\u09c2\u09b2\u09cd\u09af \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u099f\u09bf \u0996\u09be\u09a4\u09be\u09b0 \u09ae\u09c2\u09b2\u09cd\u09af x \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09e7\u099f\u09bf \u09aa\u09c7\u09a8\u09cd\u09b8\u09bf\u09b2\u09c7\u09b0 \u09ae\u09c2\u09b2\u09cd\u09af y \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, 15x+10y=300\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, 10x+15y=250\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i) \u09a8\u0982 \u0995\u09c7 3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0993 (ii) \u09a8\u0982 \u0995\u09c7 2 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0997\u09c1\u09a3 \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">45x+30y=900<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"text-decoration: underline;\">20x+30y=500<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">25x=400\u00a0\u00a0\u00a0[\u09ac\u09bf\u09df\u09cb\u0997 \u0995\u09b0\u09c7]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=400\/25<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=16<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ae\u09be\u09a8 (i) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">15\u271516+10y=300<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;240+10y=300<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;10y=300-240<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;10y=60<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=60\/10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09e7\u099f\u09bf \u0996\u09be\u09a4\u09be\u09b0 \u09ae\u09c2\u09b2\u09cd\u09af 16 \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09e7\u099f\u09bf \u09aa\u09c7\u09a8\u09cd\u09b8\u09bf\u09b2\u09c7\u09b0 \u09ae\u09c2\u09b2\u09cd\u09af 6 \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e7\u09ef. \u098f\u0995\u099c\u09a8 \u09b2\u09cb\u0995\u09c7\u09b0 \u09a8\u09bf\u0995\u099f 5000 \u099f\u09be\u0995\u09be \u0986\u099b\u09c7\u0964 \u09a4\u09bf\u09a8\u09bf \u0989\u0995\u09cd\u09a4 \u099f\u09be\u0995\u09be \u09a6\u09c1\u0987 \u099c\u09a8\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u09ae\u09a8\u09ad\u09be\u09ac\u09c7 \u09ad\u09be\u0997 \u0995\u09b0\u09c7 \u09a6\u09bf\u09b2\u09c7\u09a8 \u09af\u09c7\u09a8, \u09aa\u09cd\u09b0\u09a5\u09ae \u099c\u09a8\u09c7\u09b0 \u099f\u09be\u0995\u09be \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u099c\u09a8\u09c7\u09b0 4 \u0997\u09c1\u09a3 \u09b9\u09af\u09bc\u0964 \u0986\u09ac\u09be\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u099c\u09a8 \u09a5\u09c7\u0995\u09c7 1500 \u099f\u09be\u0995\u09be \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u099c\u09a8\u0995\u09c7 \u09a6\u09bf\u09b2\u09c7 \u0989\u09ad\u09af\u09bc\u09c7\u09b0 \u099f\u09be\u0995\u09be\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u09b8\u09ae\u09be\u09a8 \u09b9\u09af\u09bc\u0964 \u09aa\u09cd\u09b0\u09a4\u09cd\u09af\u09c7\u0995\u09c7\u09b0 \u099f\u09be\u0995\u09be\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u099c\u09a8 \u09aa\u09be\u09af\u09bc x \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09e8\u09af\u09bc \u099c\u09a8 \u09aa\u09be\u09af\u09bc y \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x=4y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-4y=0\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-1500=y+1500<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-y=1500+1500<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-y=3000\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)-(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-3y=-3000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;3y=3000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=3000\/3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=1000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y \u098f\u09b0 \u09ae\u09be\u09a8 (i) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-4\u27151000=0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-4000=0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=4000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09e7\u09ae \u099c\u09a8 \u09aa\u09be\u09af\u09bc 4000 \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09e8\u09af\u09bc \u099c\u09a8 \u09aa\u09be\u09af\u09bc 1000 \u099f\u09be\u0995\u09be<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e8\u09e6. \u09b2\u09c7\u0996\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0995.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>x+y=6<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>x-y=2<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+y=6\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-y=2\u2026\u2026\u2026..(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y=6-x<a><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td class=\"has-text-align-center\" data-align=\"center\">0<\/td><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=2-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=x-2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>2<\/td><td>4<\/td><td>6<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>0<\/td><td>2<\/td><td>4<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (0,6), (2,4) \u0993 (4,2) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (2,0), (4,2) \u0993 (6,4) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-101.jpg\" alt=\"\" class=\"wp-image-5124\" width=\"521\" height=\"420\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-101.jpg 320w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-101-300x242.jpg 300w\" sizes=\"(max-width: 521px) 100vw, 521px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 4 \u0993 \u0995\u09cb\u099f\u09bf 2 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(4,2)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0996.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>x+4y=11<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4x-y=10<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+4y=11\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4x-y=10\u2026\u2026\u2026..(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4y=11-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>-1<\/td><td>3<\/td><td>7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>3<\/td><td>2<\/td><td>1<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=10-4x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=4x-10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>2<\/td><td>3<\/td><td>5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-2<\/td><td>2<\/td><td>10<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (-1,3), (3,2) \u0993 (7,1) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (2,-2), (3,2) \u0993 (5,10) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-102.jpg\" alt=\"\" class=\"wp-image-5128\" width=\"535\" height=\"617\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-102.jpg 278w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-102-261x300.jpg 261w\" sizes=\"(max-width: 535px) 100vw, 535px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 3 \u0993 \u0995\u09cb\u099f\u09bf 2 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(3,2)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0997.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3x+2y=21<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2x-3y=1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3x+2y=21\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2x-3y=1\u2026\u2026\u2026..(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2y=21-3x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;21-3x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>1<\/td><td>5<\/td><td>7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>9<\/td><td>3<\/td><td>0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-3y=1-2x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;3y=2x-1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2x-1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>-1<\/td><td>5<\/td><td>8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-1<\/td><td>3<\/td><td>5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (1,9), (5,3) \u0993 (7,0) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (-1,-1), (5,3) \u0993 (8,5) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-103.jpg\" alt=\"\" class=\"wp-image-5131\" width=\"542\" height=\"478\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-103.jpg 320w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-103-300x264.jpg 300w\" sizes=\"(max-width: 542px) 100vw, 542px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 5 \u0993 \u0995\u09cb\u099f\u09bf 3 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(5,3)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0998.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>x+2y=1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>x-y=7<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+2y=1\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-y=7\u2026\u2026\u2026..(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2y=1-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>3<\/td><td>5<\/td><td>7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-1<\/td><td>-2<\/td><td>-3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=7-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=x-7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>-1<\/td><td>5<\/td><td>8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-8<\/td><td>-2<\/td><td>1<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (3,-1), (5,-2) \u0993 (7,-3) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (-1,-8), (5,-2) \u0993 (8,1) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-104.jpg\" alt=\"\" class=\"wp-image-5134\" width=\"538\" height=\"531\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-104.jpg 320w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-104-300x296.jpg 300w\" sizes=\"(max-width: 538px) 100vw, 538px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 5 \u0993 \u0995\u09cb\u099f\u09bf -2 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(5,-2)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0999.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>x-y=0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>x+2y=-15<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-y=0\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+2y=-15\u2026\u2026\u2026..(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>1<\/td><td>-5<\/td><td>3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>1<\/td><td>-5<\/td><td>3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2y=-15-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-15-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>-1<\/td><td>-5<\/td><td>3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-7<\/td><td>-5<\/td><td>-9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (1,1), (-5,-5) \u0993 (3,3) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (-1,-7), (-5,-5) \u0993 (3,-9) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-105.jpg\" alt=\"\" class=\"wp-image-5137\" width=\"541\" height=\"591\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-105.jpg 293w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-105-275x300.jpg 275w\" sizes=\"(max-width: 541px) 100vw, 541px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c -5 \u0993 \u0995\u09cb\u099f\u09bf -5 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(-5,-5)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u099a.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4x+3y=11<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3x-4y=2<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4x+3y=11\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3x-4y=2\u2026\u2026\u2026..(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3y=11-3x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11-4x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>-1<\/td><td>2<\/td><td>5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>5<\/td><td>1<\/td><td>-3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-4y=2-3x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;4y=3x-2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3x-2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>-2<\/td><td>2<\/td><td>6<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-2<\/td><td>1<\/td><td>4<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (-1,5), (2,1) \u0993 (5,-3) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (-2,-2), (2,1) \u0993 (6,4) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-106.jpg\" alt=\"\" class=\"wp-image-5140\" width=\"539\" height=\"475\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-106.jpg 320w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-106-300x264.jpg 300w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 2 \u0993 \u0995\u09cb\u099f\u09bf 1 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(2,1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e8\u09e7. \u0995\u09cb\u09a8\u09cb \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u09c7\u09b0 \u09b2\u09ac\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 11 \u09af\u09cb\u0997 \u0995\u09b0\u09b2\u09c7 \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf\u09b0 \u09ae\u09be\u09a8 2 \u09b9\u09af\u09bc\u0964 \u0986\u09ac\u09be\u09b0 \u09b9\u09b0 \u09b9\u09a4\u09c7 2 \u09ac\u09bf\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09b2\u09c7 \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf\u09b0 \u09ae\u09be\u09a8 1 \u09b9\u09af\u09bc\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0995) \u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf x\/y \u09a7\u09b0\u09c7 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f \u0997\u09a0\u09a8 \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ad\u0997\u09cd\u09a8\u09be\u0982\u09b6\u099f\u09bf x\/y \u09b9\u09b2\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+11<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8212;&#8212;&#8212;&#8211; = 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x+11=2y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-2y=-11\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8212;&#8212;&#8212;&#8211; = 1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;y-2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=y-2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-y=-2\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2y=-11\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-y=-2\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0996) \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f\u099f\u09bf \u0985\u09aa\u09a8\u09af\u09bc\u09a8 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u09c7 (x,y) \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2y=-11\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-y=-2\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)-(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=-9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y \u098f\u09b0 \u09ae\u09be\u09a8 (ii) \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-9=-2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=-2+9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;(x,y)=(7,9)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0997) \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f\u099f\u09bf\u09b0 \u09b2\u09c7\u0996 \u0985\u0999\u09cd\u0995\u09a8 \u0995\u09b0\u09c7 \u099b\u09c7\u09a6 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c2\u099c \u0993 \u0995\u09cb\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2y=-11\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-y=-2\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-2y=-11-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;2y=11+x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;11+x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>5<\/td><td>7<\/td><td>9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>8<\/td><td>9<\/td><td>10<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-y=-2-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=2+x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>3<\/td><td>7<\/td><td>8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>5<\/td><td>9<\/td><td>10<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (5,8), (7,9) \u0993 (9,10) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (3,5), (7,9) \u0993 (8,10) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-107.jpg\" alt=\"\" class=\"wp-image-5143\" width=\"539\" height=\"573\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-107.jpg 301w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-107-282x300.jpg 282w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 7 \u0993 \u0995\u09cb\u099f\u09bf 9 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e8\u09e8. \u098f\u0995\u099f\u09bf \u0986\u09af\u09bc\u09a4\u09be\u0995\u09be\u09b0 \u09ac\u09be\u0997\u09be\u09a8\u09c7\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5\u09c7\u09b0 \u09a6\u09cd\u09ac\u09bf\u0997\u09c1\u09a3 \u0985\u09aa\u09c7\u0995\u09cd\u09b7\u09be 5 \u09ae\u09bf\u099f\u09be\u09b0 \u09ac\u09c7\u09b6\u09bf \u098f\u09ac\u0982 \u09ac\u09be\u0997\u09be\u09a8\u099f\u09bf\u09b0 \u09aa\u09b0\u09bf\u09b8\u09c0\u09ae\u09be 40 \u09ae\u09bf\u099f\u09be\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0995) \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af x \u09ae\u09bf\u099f\u09be\u09b0 \u0993 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 y \u09ae\u09bf\u099f\u09be\u09b0 \u09b9\u09b2\u09c7 \u0989\u09aa\u09b0\u09c7\u09b0 \u09a4\u09a5\u09cd\u09af\u09c7\u09b0 \u0986\u09b2\u09cb\u0995\u09c7 \u09a6\u09c1\u099f\u09bf \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u0997\u09a0\u09a8 \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af x \u09ae\u09bf\u099f\u09be\u09b0 \u0993 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 y \u09ae\u09bf\u099f\u09be\u09b0 \u09b9\u09b2\u09c7-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e7\u09ae \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x=2y+5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x-2y=5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09e8\u09af\u09bc \u09b6\u09b0\u09cd\u09a4\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2(x+y)=40<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x+y=20<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234\u09a6\u09c1\u099f\u09bf \u09b8\u09ae\u09c0\u0995\u09b0\u09a3:-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2y=5\u2026\u2026\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+y=20\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0996) \u0985\u09aa\u09a8\u09af\u09bc\u09a8 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a6\u09c1\u099f\u09bf \u09b8\u09ae\u09c0\u0995\u09b0\u09a3:-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2y=5\u2026\u2026\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+y=20\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i)-(ii) \u0995\u09b0\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-3y=-15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;3y=15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=15\/3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y \u098f\u09b0 \u09ae\u09be\u09a8 (ii) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+5=20<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=20-5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09ac\u09be\u0997\u09be\u09a8\u09c7\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af = 15 \u09ae\u09bf\u099f\u09be\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u09ac\u0982 \u09ac\u09be\u0997\u09be\u09a8\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 = 5 \u09ae\u09bf\u099f\u09be\u09b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0997) \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u099c\u09cb\u099f\u09c7\u09b0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09a6\u09c1\u099f\u09bf \u09b8\u09ae\u09c0\u0995\u09b0\u09a3:-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x-2y=5\u2026\u2026\u2026\u2026..(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x+y=20\u2026\u2026\u2026\u2026(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-2y=5-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;2y=x-5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;x-5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>5<\/td><td>15<\/td><td>19<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>0<\/td><td>5<\/td><td>7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y=20-x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>10<\/td><td>15<\/td><td>18<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>10<\/td><td>5<\/td><td>2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (5,0), (15,5) \u0993 (19,7) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (10,10), (15,5) \u0993 (18,2) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-108.jpg\" alt=\"\" class=\"wp-image-5146\" width=\"540\" height=\"361\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-108.jpg 320w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-108-300x201.jpg 300w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 15 \u0993 \u0995\u09cb\u099f\u09bf 5 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(15,5)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09e8\u09e9. 7x-3y=31 \u0993 9x-5y=41 \u09a6\u09c1\u0987\u099f\u09bf \u09b8\u09b0\u09b2 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0995) (4,-1)&nbsp;&nbsp;\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u099f\u09bf \u0995\u09cb\u09a8 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7x-3y=31\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9x-5y=41\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i) \u09a8\u0982 \u098f\u09b0 \u09ac\u09be\u09ae\u09aa\u0995\u09cd\u09b7\u09c7 x=4 \u0993 y=-1 \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7\u27154-3\u2715(-1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=28+3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=31 \u09af\u09be (i) \u09a8\u0982 \u098f\u09b0 \u09a1\u09be\u09a8\u09aa\u0995\u09cd\u09b7\u09c7\u09b0 \u09b8\u09ae\u09be\u09a8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;(4,-1)&nbsp;&nbsp;\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u099f\u09bf 7x-3y=31 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(ii) \u09a8\u0982 \u098f\u09b0 \u09ac\u09be\u09ae\u09aa\u0995\u09cd\u09b7\u09c7 x=4 \u0993 y=-1 \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9\u27154-5\u2715(-1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=36+5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=41 \u09af\u09be (ii) \u09a8\u0982 \u098f\u09b0 \u09a1\u09be\u09a8\u09aa\u0995\u09cd\u09b7\u09c7\u09b0 \u09b8\u09ae\u09be\u09a8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;(4,-1)&nbsp;&nbsp;\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u099f\u09bf 9x-5y=41 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;(4,-1)&nbsp;&nbsp;\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u099f\u09bf 7x-3y=31 \u0993 9x-5y=41&nbsp;&nbsp;\u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0996) \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u09c7 (x,y) \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7x-3y=31\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9x-5y=41\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-3y=31-7x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;3y=7x-31<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7x-31<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;&#8212;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">y \u098f\u09b0 \u09ae\u09be\u09a8 (ii) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;7x-31<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9x-5\u2715&#8212;&#8212;&#8212;&#8212;-=41<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3\u27159x-5(7x-31)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; = 41<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;27x-35x+155=3\u271541<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;-8x+155=123<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;-8x=123-155<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;-8x=-32<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;8x=32<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=32\/8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;x=4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ae\u09be\u09a8 (ii) \u09a8\u0982 \u098f \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7\u27154-3y=31<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;28-3y=31<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;-3y=31-28<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;-3y=3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;3y=-3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=-3\/3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;y=-1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;(x,y)=(4,-1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0997) \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u0964<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7x-3y=31\u2026\u2026\u2026\u2026.(i)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">9x-5y=41\u2026\u2026\u2026\u2026.(ii)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(i) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-3y=31-7x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;3y=7x-31<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7x-31<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;&#8212;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>1<\/td><td>4<\/td><td>7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-8<\/td><td>-1<\/td><td>6<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (ii) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-5y=41-9x<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be,&nbsp;&nbsp;5y=9x-41<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;9x-41<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ac\u09be, y=&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x \u098f\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af y \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u099f\u09bf \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09bf\u0983<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table class=\"has-ast-global-color-1-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td>-1<\/td><td>4<\/td><td>9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td>-10<\/td><td>-1<\/td><td>8<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u099b\u0995-\u09e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XOX\u2019 \u0993 YOY\u2019 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 x-\u0985\u0995\u09cd\u09b7 \u0993 y-\u0985\u0995\u09cd\u09b7 \u098f\u09ac\u0982 0 \u09ae\u09c2\u09b2\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0989\u09ad\u09af\u09bc \u0985\u0995\u09cd\u09b7\u09c7\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ac\u09b0\u09cd\u0997\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09be\u09b9\u09c1\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0995\u09c7 \u098f\u0995\u0995 \u09a7\u09b0\u09bf\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e7 \u098f (1,-8), (4,-1) \u0993 (7,6) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (i) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0986\u09ac\u09be\u09b0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u099b\u0995-\u09e8 \u098f (-1,-10), (4,-1) \u0993 (9,8) \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09b2\u09c7\u0996 \u0995\u09be\u0997\u099c\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09bf\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0997\u09c1\u09b2\u09cb \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u0989\u09ad\u09af\u09bc \u09a6\u09bf\u0995\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u0997\u09c7\u09b2 \u09af\u09be (ii) \u09a8\u0982 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-109.jpg\" alt=\"\" class=\"wp-image-5149\" width=\"539\" height=\"502\" srcset=\"https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-109.jpg 320w, https:\/\/www.studyzonebd.com\/math\/wp-content\/uploads\/2022\/10\/class-8-chapter-6.2-109-300x279.jpg 300w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u098f\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09ac\u09cb\u0995\u09cd\u09a4 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964 \u098f\u09b0 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u0999\u09cd\u0995 \u0989\u09ad\u09af\u09bc \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u0995\u09c7 \u09b8\u09bf\u09a6\u09cd\u09a7 \u0995\u09b0\u09c7\u0964 \u09b2\u09c7\u0996 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7, A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ad\u09c1\u099c 4 \u0993 \u0995\u09cb\u099f\u09bf -1 \u0964<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2234&nbsp;\u09a8\u09bf\u09b0\u09cd\u09a3\u09c7\u09af\u09bc \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983 (x,y)=(4,-1)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<figure id=\"download-pdf-521415415\" class=\"wp-block-table is-style-regular\"><table class=\"has-vivid-cyan-blue-border-color has-border-color\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Class 8 math book all chapter solution Bangla version pdf | \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 PDF<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-cool-to-warm-spectrum-gradient-background has-background\" href=\"https:\/\/drive.google.com\/file\/d\/10YhMRD2UE1BQZaaJKuOFmjmKWOV01lji\/view\" target=\"_blank\" rel=\"noreferrer noopener\">Download<\/a><\/div><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>tags: <\/em>Bangladesh, Bangla, Bengali, Class 8\/jsc math solution 2021 pdf, 8th class maths guide pdf free download, math book solution BD, class 8 srijonshil math, Chapter 6.2 \u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0 \u09b8\u09b9\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u0997\u09a0\u09a8<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Eight (08) Math Book Solution | Chapter 06 : Simple co-equation| Class 8 math book Online Solution in Bangla (BD) \u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 &#8211; PDF \u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 \u098f\u09b0 \u09b8\u0995\u09b2 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u0989\u09a4\u09cd\u09a4\u09b0 \u098f\u0996\u09be\u09a8\u09c7 \u09b0\u09df\u09c7\u099b\u09c7\u0964 \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4919,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[37,38],"class_list":["post-5117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-eight-8","tag-class-8","tag-class-eight"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 | \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf - Study Zone BD<\/title>\n<meta name=\"description\" content=\"\u09ee\u09ae 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Chapter 06 : Simple co-equation \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.studyzonebd.com\/math\/class-8-chapter-6-lesson-6-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u09ec\u09b7\u09cd\u09a0 \u0985\u09a7\u09cd\u09af\u09be\u09df\u0983 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995\u00a0\u09b8\u09ae\u09b8\u09cd\u09af\u09be\u09b0\u00a0\u09b8\u09b9-\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ec.\u09e8 | \u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf - Study Zone BD\" \/>\n<meta property=\"og:description\" content=\"\u09ee\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Eight (08) Math Book Solution. 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