9n-7=n+13

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Solution for 9n-7=n+13 equation: 



9n-7=n+13

We move all terms to the left:

9n-7-(n+13)=0

We get rid of parentheses

9n-n-13-7=0

We add all the numbers together, and all the variables

8n-20=0

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

8n=20

n=20/8

n=2+1/2

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