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x - 6 = 2x - 2 + 8
x - 6 = 2x - 6
x - 2x = -6 + 6
-x = 0 /:(-1)
x = 0
e) 4(x+1) - 5(x+3) = 1
4x + 4 - 5x -15 = 1
-x - 11 = 1
-x = 1+11
-x = 12 /:(-1)
x = -12
-x=12
x=-12