n+18+2n=n

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Solution for n+18+2n=n equation: 



n+18+2n=n

We move all terms to the left:

n+18+2n-(n)=0

We add all the numbers together, and all the variables

2n+18=0

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

2n=-18

n=-18/2

n=-9

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