12v-7v=45

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Solution for 12v-7v=45 equation: 



12v-7v=45

We move all terms to the left:

12v-7v-(45)=0

We add all the numbers together, and all the variables

5v-45=0

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

5v=45

v=45/5

v=9

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