15+4n=-(2n+3)

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Solution for 15+4n=-(2n+3) equation: 



15+4n=-(2n+3)

We move all terms to the left:

15+4n-(-(2n+3))=0



We calculate terms in parentheses: -(-(2n+3)), so:

-(2n+3)

We get rid of parentheses

-2n-3

Back to the equation:

-(-2n-3)



We get rid of parentheses

4n+2n+3+15=0

We add all the numbers together, and all the variables

6n+18=0

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

6n=-18

n=-18/6

n=-3

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