9n+7=3n-8

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Solution for 9n+7=3n-8 equation: 



9n+7=3n-8

We move all terms to the left:

9n+7-(3n-8)=0

We get rid of parentheses

9n-3n+8+7=0

We add all the numbers together, and all the variables

6n+15=0

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

6n=-15

n=-15/6

n=-2+1/2

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