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-3x - 1 + 5x - 2 = 1
2x - 3 = 1
2x = 1 + 3
2x = 4 //:2
x = 2
(4x - 5) - 2(x + 3) = -5
4x - 5 - 2x - 6 = -5
2x - 11 = -5
2x = -5 + 11
2x = 6 //:2
x = 3
2x= 4
x=2
4x -5 -2x -6 = -5
2x = 6
x=3