3n-7n=-8-2n

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Solution for 3n-7n=-8-2n equation: 



3n-7n=-8-2n

We move all terms to the left:

3n-7n-(-8-2n)=0

We add all the numbers together, and all the variables

3n-7n-(-2n-8)=0

We add all the numbers together, and all the variables

-4n-(-2n-8)=0

We get rid of parentheses

-4n+2n+8=0

We add all the numbers together, and all the variables

-2n+8=0

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

-2n=-8

n=-8/-2

n=+4

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