2n+n=-7n

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Solution for 2n+n=-7n equation: 



2n+n=-7n

We move all terms to the left:

2n+n-(-7n)=0

We add all the numbers together, and all the variables

3n-(-7n)=0

We get rid of parentheses

3n+7n=0

We add all the numbers together, and all the variables

10n=0

n=0/10

n=0

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