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-9.7=v/8+3.1
We move all terms to the left:
-9.7-(v/8+3.1)=0
We get rid of parentheses
-v/8-3.1-9.7=0
We multiply all the terms by the denominator
-v-(3.1)*8-(9.7)*8=0
We add all the numbers together, and all the variables
-1v-102.4=0
We move all terms containing v to the left, all other terms to the right
-v=102.4
v=102.4/-1
v=-102+0.40000000000001/1
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