2v+9=8v=21

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Solution for 2v+9=8v=21 equation: 



2v+9=8v=21

We move all terms to the left:

2v+9-(8v)=0

We add all the numbers together, and all the variables

-6v+9=0

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

-6v=-9

v=-9/-6

v=1+1/2

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