7(v-9)=-5v+21

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Solution for 7(v-9)=-5v+21 equation: 



7(v-9)=-5v+21

We move all terms to the left:

7(v-9)-(-5v+21)=0

We multiply parentheses

7v-(-5v+21)-63=0

We get rid of parentheses

7v+5v-21-63=0

We add all the numbers together, and all the variables

12v-84=0

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

12v=84

v=84/12

v=7

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