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-7+v/2=-1
We move all terms to the left:
-7+v/2-(-1)=0
We add all the numbers together, and all the variables
v/2-6=0
We multiply all the terms by the denominator
v-6*2=0
We add all the numbers together, and all the variables
v-12=0
We move all terms containing v to the left, all other terms to the right
v=12
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