-7+3n=-7-3n

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



-7+3n=-7-3n

We move all terms to the left:

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

We add all the numbers together, and all the variables

3n-(-3n-7)-7=0

We get rid of parentheses

3n+3n+7-7=0

We add all the numbers together, and all the variables

6n=0

n=0/6

n=0

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