9n+12+15n-6=180

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Solution for 9n+12+15n-6=180 equation: 



9n+12+15n-6=180

We move all terms to the left:

9n+12+15n-6-(180)=0

We add all the numbers together, and all the variables

24n-174=0

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

24n=174

n=174/24

n=7+1/4

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