-84=-3(3n+4)

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Solution for -84=-3(3n+4) equation:


-84=-3(3n+4)

We simplify the equation to the form, which is simple to understand 
-84=-3(3n+4)

Reorder the terms in parentheses
-84=+(-9n-12)

Remove unnecessary parentheses
-84=-9n-12

We move all terms containing n to the left and all other terms to the right. 
+9n=-12+84

We simplify left and right side of the equation. 
+9n=+72

We divide both sides of the equation by 09 to get n. 
n=8

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