2n-3n=9+2n

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Solution for 2n-3n=9+2n equation: 



2n-3n=9+2n

We move all terms to the left:

2n-3n-(9+2n)=0

We add all the numbers together, and all the variables

2n-3n-(2n+9)=0

We add all the numbers together, and all the variables

-1n-(2n+9)=0

We get rid of parentheses

-1n-2n-9=0

We add all the numbers together, and all the variables

-3n-9=0

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

-3n=9

n=9/-3

n=-3

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