-(2n-)=9

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Solution for -(2n-)=9 equation: 



-(2n-)=9

We move all terms to the left:

-(2n-)-(9)=0

We add all the numbers together, and all the variables

-(+2n)-9=0

We get rid of parentheses

-2n-9=0

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

-2n=9

n=9/-2

n=-4+1/2

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