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-2v+17.9=5.1
We move all terms to the left:
-2v+17.9-(5.1)=0
We add all the numbers together, and all the variables
-2v+12.8=0
We move all terms containing v to the left, all other terms to the right
-2v=-12.8
v=-12.8/-2
v=6+0.8/2
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