3n+12+4n+12=180

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Solution for 3n+12+4n+12=180 equation: 



3n+12+4n+12=180

We move all terms to the left:

3n+12+4n+12-(180)=0

We add all the numbers together, and all the variables

7n-156=0

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

7n=156

n=156/7

n=22+2/7

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