-7-n=15

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Solution for -7-n=15 equation: 



-7-n=15

We move all terms to the left:

-7-n-(15)=0

We add all the numbers together, and all the variables

-1n-22=0

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

-n=22

n=22/-1

n=-22

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