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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-n+4n-(7n-20)=0

We add all the numbers together, and all the variables

3n-(7n-20)=0

We get rid of parentheses

3n-7n+20=0

We add all the numbers together, and all the variables

-4n+20=0

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

-4n=-20

n=-20/-4

n=+5

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