-3-9n=-120

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Solution for -3-9n=-120 equation: 



-3-9n=-120

We move all terms to the left:

-3-9n-(-120)=0

We add all the numbers together, and all the variables

-9n+117=0

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

-9n=-117

n=-117/-9

n=+13

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