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-8.3=v/5+4.2
We move all terms to the left:
-8.3-(v/5+4.2)=0
We get rid of parentheses
-v/5-4.2-8.3=0
We multiply all the terms by the denominator
-v-(4.2)*5-(8.3)*5=0
We add all the numbers together, and all the variables
-1v-62.5=0
We move all terms containing v to the left, all other terms to the right
-v=62.5
v=62.5/-1
v=-62+0.5/1
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