-3n-4n=-12-n-8n

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Solution for -3n-4n=-12-n-8n equation: 



-3n-4n=-12-n-8n

We move all terms to the left:

-3n-4n-(-12-n-8n)=0

We add all the numbers together, and all the variables

-3n-4n-(-9n-12)=0

We add all the numbers together, and all the variables

-7n-(-9n-12)=0

We get rid of parentheses

-7n+9n+12=0

We add all the numbers together, and all the variables

2n+12=0

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

2n=-12

n=-12/2

n=-6

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