-3v+20=-(1-4v)

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Solution for -3v+20=-(1-4v) equation: 



-3v+20=-(1-4v)

We move all terms to the left:

-3v+20-(-(1-4v))=0

We add all the numbers together, and all the variables

-3v-(-(-4v+1))+20=0



We calculate terms in parentheses: -(-(-4v+1)), so:

-(-4v+1)

We get rid of parentheses

4v-1

Back to the equation:

-(4v-1)



We get rid of parentheses

-3v-4v+1+20=0

We add all the numbers together, and all the variables

-7v+21=0

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

-7v=-21

v=-21/-7

v=+3

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