3n-n+2n=8

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



3n-n+2n=8

We move all terms to the left:

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

We add all the numbers together, and all the variables

4n-8=0

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

4n=8

n=8/4

n=2

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