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6x-5(20+2x)=12
We simplify the equation to the form, which is simple to understand
6x-5(20+2x)=12
Reorder the terms in parentheses
6x+(-100-10x)=12
Remove unnecessary parentheses
+6x-100-10x=+12
We move all terms containing x to the left and all other terms to the right.
+6x-10x=+12+100
We simplify left and right side of the equation.
-4x=+112
We divide both sides of the equation by -4 to get x.
x=-28
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