n+4=-5-n-7n

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Solution for n+4=-5-n-7n equation: 



n+4=-5-n-7n

We move all terms to the left:

n+4-(-5-n-7n)=0

We add all the numbers together, and all the variables

n-(-8n-5)+4=0

We get rid of parentheses

n+8n+5+4=0

We add all the numbers together, and all the variables

9n+9=0

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

9n=-9

n=-9/9

n=-1

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