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5m - 3m = 9; m - 6n = -7 |
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Answer» 5m - 3n = 9..... (1)m - 6n = - 7......(2) Multiply eq(2) by 55m - 30n = - 35....(3) Subtract eq(1) from eq(3)-27n = - 44n = 44/27 Put value of n in eq(2)m - 6*44/27 = - 7m = - 7 + 2*44/9m = (- 63 + 88)/9 = 25/9 |
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