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v/4=-3.9
We move all terms to the left:
v/4-(-3.9)=0
We add all the numbers together, and all the variables
v/4+3.9=0
We multiply all the terms by the denominator
v+(3.9)*4=0
We add all the numbers together, and all the variables
v+15.6=0
We move all terms containing v to the left, all other terms to the right
v=-15.6
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