-n+3n=8

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Solution for -n+3n=8 equation: 



-n+3n=8

We move all terms to the left:

-n+3n-(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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