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42(x-168)=84
We simplify the equation to the form, which is simple to understand
42(x-168)=84
Reorder the terms in parentheses
+(+42x-7056)=84
Remove unnecessary parentheses
+42x-7056=+84
We move all terms containing x to the left and all other terms to the right.
+42x=+84+7056
We simplify left and right side of the equation.
+42x=+7140
We divide both sides of the equation by 42 to get x.
x=170
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