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3*(x-2) = 6*x-(12/3) // - 6*x-(12/3)
3*(x-2)-(6*x)+12/3 = 0
3*(x-2)-6*x+12/3 = 0
3*(x-2)-6*x+4 = 0
3*(x-2)-6*x+4 = 0
4-3*x-6 = 0
-3*x-2 = 0
-3*x-2 = 0
-3*x-2 = 0 // + 2
-3*x = 2 // : -3
x = 2/(-3)
x = -2/3
x = -2/3
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