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5.1=-4v+17.9
We move all terms to the left:
5.1-(-4v+17.9)=0
We get rid of parentheses
4v-17.9+5.1=0
We add all the numbers together, and all the variables
4v-12.8=0
We move all terms containing v to the left, all other terms to the right
4v=12.8
v=12.8/4
v=3+0.8/4
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