18=6n+3n=

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Solution for 18=6n+3n= equation: 



18=6n+3n=

We move all terms to the left:

18-(6n+3n)=0

We add all the numbers together, and all the variables

-(+9n)+18=0

We get rid of parentheses

-9n+18=0

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

-9n=-18

n=-18/-9

n=+2

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