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4+v/2=5
We move all terms to the left:
4+v/2-(5)=0
We add all the numbers together, and all the variables
v/2-1=0
We multiply all the terms by the denominator
v-1*2=0
We add all the numbers together, and all the variables
v-2=0
We move all terms containing v to the left, all other terms to the right
v=2
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