12v-9v-3=12

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Solution for 12v-9v-3=12 equation: 



12v-9v-3=12

We move all terms to the left:

12v-9v-3-(12)=0

We add all the numbers together, and all the variables

3v-15=0

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

3v=15

v=15/3

v=5

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