7-5n=15+2n-5n

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Solution for 7-5n=15+2n-5n equation: 



7-5n=15+2n-5n

We move all terms to the left:

7-5n-(15+2n-5n)=0

We add all the numbers together, and all the variables

-5n-(-3n+15)+7=0

We get rid of parentheses

-5n+3n-15+7=0

We add all the numbers together, and all the variables

-2n-8=0

We move all terms containing n to the left, all other terms to the right

-2n=8

n=8/-2

n=-4

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