-(n+5)=3n+15

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Solution for -(n+5)=3n+15 equation: 



-(n+5)=3n+15

We move all terms to the left:

-(n+5)-(3n+15)=0

We get rid of parentheses

-n-3n-5-15=0

We add all the numbers together, and all the variables

-4n-20=0

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

-4n=20

n=20/-4

n=-5

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