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v/2-15=12
We move all terms to the left:
v/2-15-(12)=0
We add all the numbers together, and all the variables
v/2-27=0
We multiply all the terms by the denominator
v-27*2=0
We add all the numbers together, and all the variables
v-54=0
We move all terms containing v to the left, all other terms to the right
v=54
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