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128=2x-4(-4x+13)
We simplify the equation to the form, which is simple to understand
128=2x-4(-4x+13)
Reorder the terms in parentheses
128=2x+(+16x-52)
Remove unnecessary parentheses
+128=+2x+16x-52
We move all terms containing x to the left and all other terms to the right.
-2x-16x=-52-128
We simplify left and right side of the equation.
-18x=-180
We divide both sides of the equation by -18 to get x.
x=10
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