-45=-3(v-12)

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Solution for -45=-3(v-12) equation: 



-45=-3(v-12)

We move all terms to the left:

-45-(-3(v-12))=0



We calculate terms in parentheses: -(-3(v-12)), so:

-3(v-12)

We multiply parentheses

-3v+36

Back to the equation:

-(-3v+36)



We get rid of parentheses

3v-36-45=0

We add all the numbers together, and all the variables

3v-81=0

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

3v=81

v=81/3

v=27

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