3(v+3)-8v=-21

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Solution for 3(v+3)-8v=-21 equation: 



3(v+3)-8v=-21

We move all terms to the left:

3(v+3)-8v-(-21)=0

We add all the numbers together, and all the variables

-8v+3(v+3)+21=0

We multiply parentheses

-8v+3v+9+21=0

We add all the numbers together, and all the variables

-5v+30=0

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

-5v=-30

v=-30/-5

v=+6

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