12n-9=-13

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Solution for 12n-9=-13 equation: 



12n-9=-13

We move all terms to the left:

12n-9-(-13)=0

We add all the numbers together, and all the variables

12n+4=0

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

12n=-4

n=-4/12

n=-1/3

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