15=n-(-7)

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Solution for 15=n-(-7) equation: 



15=n-(-7)

We move all terms to the left:

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



We calculate terms in parentheses: -(n-(-7)), so:

n-(-7)

We add all the numbers together, and all the variables

n+7

Back to the equation:

-(n+7)



We get rid of parentheses

-n-7+15=0

We add all the numbers together, and all the variables

-1n+8=0

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

-n=-8

n=-8/-1

n=+8

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