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L—x= (ks —xp) I——L(-+0 L=(-0) 5 |
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Answer» 1/3(x - y) = 1/4(y - 1)4x - 4y = 3y - 34x - 7y = - 3.......(1) 1/7(4x - 5y) = x - 74x - 5y = 7x - 49-3x - 5y = - 493x + 5y = 49......(2) Multiply eq(1) by 3 and eq(2) by 412x - 21y = - 9.......(3)12x + 20y = 196....(4) eq(4) - eq(3)41y = 205y = 205/41 = 5 Put value of y in eq(1)4x - 7*5 = - 34x = - 3 + 354x = 32x = 32/4 = 8 |
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