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v+0.13=-4.0
We move all terms to the left:
v+0.13-(-4.0)=0
We add all the numbers together, and all the variables
v+0.13-(-4)=0
We add all the numbers together, and all the variables
v+4.13=0
We move all terms containing v to the left, all other terms to the right
v=-4.13
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