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85=-7x-3(-6x+12)
We simplify the equation to the form, which is simple to understand
85=-7x-3(-6x+12)
Reorder the terms in parentheses
85=-7x+(+18x-36)
Remove unnecessary parentheses
+85=-7x+18x-36
We move all terms containing x to the left and all other terms to the right.
+7x-18x=-36-85
We simplify left and right side of the equation.
-11x=-121
We divide both sides of the equation by -11 to get x.
x=11
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