-7(v-90)=21

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Solution for -7(v-90)=21 equation: 



-7(v-90)=21

We move all terms to the left:

-7(v-90)-(21)=0

We multiply parentheses

-7v+630-21=0

We add all the numbers together, and all the variables

-7v+609=0

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

-7v=-609

v=-609/-7

v=+87

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