18=-2(8+n)

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Solution for 18=-2(8+n) equation: 



18=-2(8+n)

We move all terms to the left:

18-(-2(8+n))=0

We add all the numbers together, and all the variables

-(-2(n+8))+18=0



We calculate terms in parentheses: -(-2(n+8)), so:

-2(n+8)

We multiply parentheses

-2n-16

Back to the equation:

-(-2n-16)



We get rid of parentheses

2n+16+18=0

We add all the numbers together, and all the variables

2n+34=0

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

2n=-34

n=-34/2

n=-17

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