a. 5 x - 2 y = 8
x - 3 y = 2
6 x -1 y = 10
b. 4 (x -1) - y = 9
4 x + 1 y = 9
2 (x + 3) = 2y -1
2 x + 3 = 2 y -1
2 x - 2 y = - 1 - 3
2 x -2 y = 4
2 x - 2 y = 4
6x -1 y = 13
c. 18m + 5 n = - 11
12 m + 11 n = 31
30 m + 16 n = -20
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a. 5 x - 2 y = 8
x - 3 y = 2
6 x -1 y = 10
b. 4 (x -1) - y = 9
4 x + 1 y = 9
2 (x + 3) = 2y -1
2 x + 3 = 2 y -1
2 x - 2 y = - 1 - 3
2 x -2 y = 4
4 x + 1 y = 9
2 x - 2 y = 4
6x -1 y = 13
c. 18m + 5 n = - 11
12 m + 11 n = 31
30 m + 16 n = -20