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6(7-x)=84
We simplify the equation to the form, which is simple to understand
6(7-x)=84
Reorder the terms in parentheses
+(+42-6x)=84
Remove unnecessary parentheses
+42-6x=+84
We move all terms containing x to the left and all other terms to the right.
-6x=+84-42
We simplify left and right side of the equation.
-6x=+42
We divide both sides of the equation by -6 to get x.
x=-7
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