18=-(-7+n)

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Solution for 18=-(-7+n) equation: 



18=-(-7+n)

We move all terms to the left:

18-(-(-7+n))=0

We add all the numbers together, and all the variables

-(-(n-7))+18=0



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

-(n-7)

We get rid of parentheses

-n+7

We add all the numbers together, and all the variables

-1n+7

Back to the equation:

-(-1n+7)



We get rid of parentheses

1n-7+18=0

We add all the numbers together, and all the variables

n+11=0

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

n=-11

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