9n+3n=-19

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Solution for 9n+3n=-19 equation: 



9n+3n=-19

We move all terms to the left:

9n+3n-(-19)=0

We add all the numbers together, and all the variables

12n+19=0

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

12n=-19

n=-19/12

n=-1+7/12

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