15-2n=9n-7

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Solution for 15-2n=9n-7 equation: 



15-2n=9n-7

We move all terms to the left:

15-2n-(9n-7)=0

We get rid of parentheses

-2n-9n+7+15=0

We add all the numbers together, and all the variables

-11n+22=0

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

-11n=-22

n=-22/-11

n=+2

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