n+2n+1=-5

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Solution for n+2n+1=-5 equation: 



n+2n+1=-5

We move all terms to the left:

n+2n+1-(-5)=0

We add all the numbers together, and all the variables

3n+6=0

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

3n=-6

n=-6/3

n=-2

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