-3n+7(n-7)=-81

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Solution for -3n+7(n-7)=-81 equation:


-3n+7(n-7)=-81

We simplify the equation to the form, which is simple to understand 
-3n+7(n-7)=-81

Reorder the terms in parentheses
-3n+(+7n-49)=-81

Remove unnecessary parentheses
-3n+7n-49=-81

We move all terms containing n to the left and all other terms to the right. 
-3n+7n=-81+49

We simplify left and right side of the equation. 
+4n=-32

We divide both sides of the equation by 4 to get n. 
n=-8

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