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3=13-2v
We move all terms to the left:
3-(13-2v)=0
We add all the numbers together, and all the variables
-(-2v+13)+3=0
We get rid of parentheses
2v-13+3=0
We add all the numbers together, and all the variables
2v-10=0
We move all terms containing v to the left, all other terms to the right
2v=10
v=10/2
v=5
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