-15-3n=-9

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Solution for -15-3n=-9 equation: 



-15-3n=-9

We move all terms to the left:

-15-3n-(-9)=0

We add all the numbers together, and all the variables

-3n-6=0

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

-3n=6

n=6/-3

n=-2

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