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-(x-1)=-2(-x-1)-4
We simplify the equation to the form, which is simple to understand
-(x-1)=-2(-x-1)-4
Remove unnecessary parentheses
-1x+1=-2*(-x-1)-4
Reorder the terms in parentheses
-1x+1=+(+2x+2)-4
Remove unnecessary parentheses
-1x+1=+2x+2-4
We move all terms containing x to the left and all other terms to the right.
-1x-2x=+2-4-1
We simplify left and right side of the equation.
-3x=-3
We divide both sides of the equation by -3 to get x.
x=1
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