20=-(-8+n)

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Solution for 20=-(-8+n) equation: 



20=-(-8+n)

We move all terms to the left:

20-(-(-8+n))=0

We add all the numbers together, and all the variables

-(-(n-8))+20=0



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

-(n-8)

We get rid of parentheses

-n+8

We add all the numbers together, and all the variables

-1n+8

Back to the equation:

-(-1n+8)



We get rid of parentheses

1n-8+20=0

We add all the numbers together, and all the variables

n+12=0

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

n=-12

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