15-2n=-7n

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



15-2n=-7n

We move all terms to the left:

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

We get rid of parentheses

-2n+7n+15=0

We add all the numbers together, and all the variables

5n+15=0

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

5n=-15

n=-15/5

n=-3

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