9n+12-3n=-2n-12

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Solution for 9n+12-3n=-2n-12 equation: 



9n+12-3n=-2n-12

We move all terms to the left:

9n+12-3n-(-2n-12)=0

We add all the numbers together, and all the variables

6n-(-2n-12)+12=0

We get rid of parentheses

6n+2n+12+12=0

We add all the numbers together, and all the variables

8n+24=0

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

8n=-24

n=-24/8

n=-3

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