9n+4=n-12

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Solution for 9n+4=n-12 equation: 



9n+4=n-12

We move all terms to the left:

9n+4-(n-12)=0

We get rid of parentheses

9n-n+12+4=0

We add all the numbers together, and all the variables

8n+16=0

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

8n=-16

n=-16/8

n=-2

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