3v-9-v=30

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Solution for 3v-9-v=30 equation: 



3v-9-v=30

We move all terms to the left:

3v-9-v-(30)=0

We add all the numbers together, and all the variables

2v-39=0

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

2v=39

v=39/2

v=19+1/2

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