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-13=3+8v+8v
We move all terms to the left:
-13-(3+8v+8v)=0
We add all the numbers together, and all the variables
-(16v+3)-13=0
We get rid of parentheses
-16v-3-13=0
We add all the numbers together, and all the variables
-16v-16=0
We move all terms containing v to the left, all other terms to the right
-16v=16
v=16/-16
v=-1
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