(2+3n)+4=-15

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



(2+3n)+4=-15

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

(3n+2)+19=0

We get rid of parentheses

3n+2+19=0

We add all the numbers together, and all the variables

3n+21=0

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

3n=-21

n=-21/3

n=-7

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