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100-80v=250v+10v-308
We move all terms to the left:
100-80v-(250v+10v-308)=0
We add all the numbers together, and all the variables
-80v-(260v-308)+100=0
We get rid of parentheses
-80v-260v+308+100=0
We add all the numbers together, and all the variables
-340v+408=0
We move all terms containing v to the left, all other terms to the right
-340v=-408
v=-408/-340
v=1+1/5
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