3(n+7)=+21

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Solution for 3(n+7)=+21 equation:


3(n+7)=+21

We simplify the equation to the form, which is simple to understand 
3(n+7)=+21

Reorder the terms in parentheses
+(+3n+21)=+21

Remove unnecessary parentheses
+3n+21=+21

We move all terms containing n to the left and all other terms to the right. 
+3n=+21-21

We simplify left and right side of the equation. 
+3n=0

We divide both sides of the equation by 3 to get n. 
n=0

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