15=-2n-8+7

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Solution for 15=-2n-8+7 equation: 



15=-2n-8+7

We move all terms to the left:

15-(-2n-8+7)=0

We add all the numbers together, and all the variables

-(-2n-1)+15=0

We get rid of parentheses

2n+1+15=0

We add all the numbers together, and all the variables

2n+16=0

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

2n=-16

n=-16/2

n=-8

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