18=7-3n-8n

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Solution for 18=7-3n-8n equation: 



18=7-3n-8n

We move all terms to the left:

18-(7-3n-8n)=0

We add all the numbers together, and all the variables

-(-11n+7)+18=0

We get rid of parentheses

11n-7+18=0

We add all the numbers together, and all the variables

11n+11=0

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

11n=-11

n=-11/11

n=-1

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