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-7(2+x)=-126
We simplify the equation to the form, which is simple to understand
-7(2+x)=-126
Reorder the terms in parentheses
+(-14-7x)=-126
Remove unnecessary parentheses
-14-7x=-126
We move all terms containing x to the left and all other terms to the right.
-7x=-126+14
We simplify left and right side of the equation.
-7x=-112
We divide both sides of the equation by -7 to get x.
x=16
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