-9n+12=-5-4

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Solution for -9n+12=-5-4 equation: 



-9n+12=-5-4

We move all terms to the left:

-9n+12-(-5-4)=0

We add all the numbers together, and all the variables

-9n+12-(-9)=0

We add all the numbers together, and all the variables

-9n+21=0

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

-9n=-21

n=-21/-9

n=2+1/3

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