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-63=x-4(3x+13)
We simplify the equation to the form, which is simple to understand
-63=x-4(3x+13)
Reorder the terms in parentheses
-63=x+(-12x-52)
Remove unnecessary parentheses
-63=+x-12x-52
We move all terms containing x to the left and all other terms to the right.
-1x+12x=-52+63
We simplify left and right side of the equation.
+11x=+11
We divide both sides of the equation by 11 to get x.
x=1
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