4x - 7 - 2x + 5 = 3x + 1 - 5x
2x -2 = -2x +1
4x = 3
x = 3/4
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6(x - 2) - 9 = 4 - 3(2x + 1)
6x - 12 -9 = 4 - 6x - 3
6x - 21 = 1 - 6x
12x = 22
x = 22/12
x = 11/6
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5(2 - 7x) + 4 = 6x - 2 - 11x
10 - 35x + 4 = -5x - 2
16 = 30x
x = 16/30
x = 8/15