14v-7v=21

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Solution for 14v-7v=21 equation: 



14v-7v=21

We move all terms to the left:

14v-7v-(21)=0

We add all the numbers together, and all the variables

7v-21=0

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

7v=21

v=21/7

v=3

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