1.

5m - 3m = 9; m - 6n = -7

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



Discussion

No Comment Found