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1.5=-7v+23.9
We move all terms to the left:
1.5-(-7v+23.9)=0
We get rid of parentheses
7v-23.9+1.5=0
We add all the numbers together, and all the variables
7v-22.4=0
We move all terms containing v to the left, all other terms to the right
7v=22.4
v=22.4/7
v=3+1/5
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