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v=0.75(4.20)
We move all terms to the left:
v-(0.75(4.20))=0
We add all the numbers together, and all the variables
v-(0.75(4.2))=0
We add all the numbers together, and all the variables
v-3.15=0
We move all terms containing v to the left, all other terms to the right
v=3.15
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