3(-7+7n)=84

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Solution for 3(-7+7n)=84 equation:


3(-7+7n)=84

We simplify the equation to the form, which is simple to understand 
3(-7+7n)=84

Reorder the terms in parentheses
+(-21+21n)=84

Remove unnecessary parentheses
-21+21n=+84

We move all terms containing n to the left and all other terms to the right. 
+21n=+84+21

We simplify left and right side of the equation. 
+21n=+105

We divide both sides of the equation by 21 to get n. 
n=5

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