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19+v/3=13
We move all terms to the left:
19+v/3-(13)=0
We add all the numbers together, and all the variables
v/3+6=0
We multiply all the terms by the denominator
v+6*3=0
We add all the numbers together, and all the variables
v+18=0
We move all terms containing v to the left, all other terms to the right
v=-18
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