9=2n-6+n

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Solution for 9=2n-6+n equation: 



9=2n-6+n

We move all terms to the left:

9-(2n-6+n)=0

We add all the numbers together, and all the variables

-(3n-6)+9=0

We get rid of parentheses

-3n+6+9=0

We add all the numbers together, and all the variables

-3n+15=0

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

-3n=-15

n=-15/-3

n=+5

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