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19=2v+15+8v
We move all terms to the left:
19-(2v+15+8v)=0
We add all the numbers together, and all the variables
-(10v+15)+19=0
We get rid of parentheses
-10v-15+19=0
We add all the numbers together, and all the variables
-10v+4=0
We move all terms containing v to the left, all other terms to the right
-10v=-4
v=-4/-10
v=2/5
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