3(7-v)=-3(3v-9)

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Solution for 3(7-v)=-3(3v-9) equation: 



3(7-v)=-3(3v-9)

We move all terms to the left:

3(7-v)-(-3(3v-9))=0

We add all the numbers together, and all the variables

3(-1v+7)-(-3(3v-9))=0

We multiply parentheses

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



We calculate terms in parentheses: -(-3(3v-9)), so:

-3(3v-9)

We multiply parentheses

-9v+27

Back to the equation:

-(-9v+27)



We get rid of parentheses

-3v+9v-27+21=0

We add all the numbers together, and all the variables

6v-6=0

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

6v=6

v=6/6

v=1

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