15-3n=7+n

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Solution for 15-3n=7+n equation: 



15-3n=7+n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-3n-n-7+15=0

We add all the numbers together, and all the variables

-4n+8=0

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

-4n=-8

n=-8/-4

n=+2

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