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256=-6x-4(-4x-20)
We simplify the equation to the form, which is simple to understand
256=-6x-4(-4x-20)
Reorder the terms in parentheses
256=-6x+(+16x+80)
Remove unnecessary parentheses
+256=-6x+16x+80
We move all terms containing x to the left and all other terms to the right.
+6x-16x=+80-256
We simplify left and right side of the equation.
-10x=-176
We divide both sides of the equation by -10 to get x.
x=17.6
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