15=4n+2n-9

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Solution for 15=4n+2n-9 equation: 



15=4n+2n-9

We move all terms to the left:

15-(4n+2n-9)=0

We add all the numbers together, and all the variables

-(6n-9)+15=0

We get rid of parentheses

-6n+9+15=0

We add all the numbers together, and all the variables

-6n+24=0

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

-6n=-24

n=-24/-6

n=+4

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