(3n+2)+(7n-2)=180

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Solution for (3n+2)+(7n-2)=180 equation: 



(3n+2)+(7n-2)=180

We move all terms to the left:

(3n+2)+(7n-2)-(180)=0

We get rid of parentheses

3n+7n+2-2-180=0

We add all the numbers together, and all the variables

10n-180=0

We move all terms containing n to the left, all other terms to the right

10n=180

n=180/10

n=18

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