2n-5n+n+n=30

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Solution for 2n-5n+n+n=30 equation: 



2n-5n+n+n=30

We move all terms to the left:

2n-5n+n+n-(30)=0

We add all the numbers together, and all the variables

-1n-30=0

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

-n=30

n=30/-1

n=-30

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