3n+6-2n=4n-9

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Solution for 3n+6-2n=4n-9 equation: 



3n+6-2n=4n-9

We move all terms to the left:

3n+6-2n-(4n-9)=0

We add all the numbers together, and all the variables

n-(4n-9)+6=0

We get rid of parentheses

n-4n+9+6=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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