-3(5v-7)=66

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Solution for -3(5v-7)=66 equation: 



-3(5v-7)=66

We move all terms to the left:

-3(5v-7)-(66)=0

We multiply parentheses

-15v+21-66=0

We add all the numbers together, and all the variables

-15v-45=0

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

-15v=45

v=45/-15

v=-3

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