8n+7n=180

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Solution for 8n+7n=180 equation: 



8n+7n=180

We move all terms to the left:

8n+7n-(180)=0

We add all the numbers together, and all the variables

15n-180=0

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

15n=180

n=180/15

n=12

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