3n+5+7=-3n+12

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Solution for 3n+5+7=-3n+12 equation: 



3n+5+7=-3n+12

We move all terms to the left:

3n+5+7-(-3n+12)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3n+3n-12+12=0

We add all the numbers together, and all the variables

6n=0

n=0/6

n=0

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