3(7-7v)=21+8v

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Solution for 3(7-7v)=21+8v equation: 



3(7-7v)=21+8v

We move all terms to the left:

3(7-7v)-(21+8v)=0

We add all the numbers together, and all the variables

3(-7v+7)-(8v+21)=0

We multiply parentheses

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

We get rid of parentheses

-21v-8v-21+21=0

We add all the numbers together, and all the variables

-29v=0

v=0/-29

v=0

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