2n=7+-3n

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Solution for 2n=7+-3n equation: 



2n=7+-3n

We move all terms to the left:

2n-(7+-3n)=0

We add all the numbers together, and all the variables

2n-(-3n)=0

We get rid of parentheses

2n+3n=0

We add all the numbers together, and all the variables

5n=0

n=0/5

n=0

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