-(n-7)=n+9

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Solution for -(n-7)=n+9 equation: 



-(n-7)=n+9

We move all terms to the left:

-(n-7)-(n+9)=0

We get rid of parentheses

-n-n+7-9=0

We add all the numbers together, and all the variables

-2n-2=0

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

-2n=2

n=2/-2

n=-1

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