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-(3-x)=-89
We simplify the equation to the form, which is simple to understand
-(3-x)=-89
Remove unnecessary parentheses
-3+1x=-89
We move all terms containing x to the left and all other terms to the right.
+1x=-89+3
We simplify left and right side of the equation.
+1x=-86
We divide both sides of the equation by 1 to get x.
x=-86
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