-9+21=(1-3v)

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Solution for -9+21=(1-3v) equation: 



-9+21=(1-3v)

We move all terms to the left:

-9+21-((1-3v))=0

We add all the numbers together, and all the variables

-((-3v+1))-9+21=0

We add all the numbers together, and all the variables

-((-3v+1))+12=0



We calculate terms in parentheses: -((-3v+1)), so:

(-3v+1)

We get rid of parentheses

-3v+1

Back to the equation:

-(-3v+1)



We get rid of parentheses

3v-1+12=0

We add all the numbers together, and all the variables

3v+11=0

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

3v=-11

v=-11/3

v=-3+2/3

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