n+4=-2n-5

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Solution for n+4=-2n-5 equation: 



n+4=-2n-5

We move all terms to the left:

n+4-(-2n-5)=0

We get rid of parentheses

n+2n+5+4=0

We add all the numbers together, and all the variables

3n+9=0

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

3n=-9

n=-9/3

n=-3

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