-30=3(v-7)

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Solution for -30=3(v-7) equation: 



-30=3(v-7)

We move all terms to the left:

-30-(3(v-7))=0



We calculate terms in parentheses: -(3(v-7)), so:

3(v-7)

We multiply parentheses

3v-21

Back to the equation:

-(3v-21)



We get rid of parentheses

-3v+21-30=0

We add all the numbers together, and all the variables

-3v-9=0

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

-3v=9

v=9/-3

v=-3

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