-12+9v=-30

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Solution for -12+9v=-30 equation: 



-12+9v=-30

We move all terms to the left:

-12+9v-(-30)=0

We add all the numbers together, and all the variables

9v+18=0

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

9v=-18

v=-18/9

v=-2

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