-7=3n-7+5n

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



-7=3n-7+5n

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(8n-7)-7=0

We get rid of parentheses

-8n+7-7=0

We add all the numbers together, and all the variables

-8n=0

n=0/-8

n=0

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