-9v=-21

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Solution for -9v=-21 equation: 



-9v=-21

We move all terms to the left:

-9v-(-21)=0

We add all the numbers together, and all the variables

-9v+21=0

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

-9v=-21

v=-21/-9

v=2+1/3

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