2(v-5)+7v+4=21

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Solution for 2(v-5)+7v+4=21 equation: 



2(v-5)+7v+4=21

We move all terms to the left:

2(v-5)+7v+4-(21)=0

We add all the numbers together, and all the variables

7v+2(v-5)-17=0

We multiply parentheses

7v+2v-10-17=0

We add all the numbers together, and all the variables

9v-27=0

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

9v=27

v=27/9

v=3

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