3v+6=-21

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Solution for 3v+6=-21 equation: 



3v+6=-21

We move all terms to the left:

3v+6-(-21)=0

We add all the numbers together, and all the variables

3v+27=0

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

3v=-27

v=-27/3

v=-9

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