-18=n+7

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Solution for -18=n+7 equation: 



-18=n+7

We move all terms to the left:

-18-(n+7)=0

We get rid of parentheses

-n-7-18=0

We add all the numbers together, and all the variables

-1n-25=0

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

-n=25

n=25/-1

n=-25

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