-(n+3)=-5n+21

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Solution for -(n+3)=-5n+21 equation: 



-(n+3)=-5n+21

We move all terms to the left:

-(n+3)-(-5n+21)=0

We get rid of parentheses

-n+5n-3-21=0

We add all the numbers together, and all the variables

4n-24=0

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

4n=24

n=24/4

n=6

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