3(n-7)=n+9

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Solution for 3(n-7)=n+9 equation:


3(n-7)=n+9

We simplify the equation to the form, which is simple to understand 
3(n-7)=n+9

Reorder the terms in parentheses
+(+3n-21)=n+9

Remove unnecessary parentheses
+3n-21=+n+9

We move all terms containing n to the left and all other terms to the right. 
+3n-1n=+9+21

We simplify left and right side of the equation. 
+2n=+30

We divide both sides of the equation by 2 to get n. 
n=15

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