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v=1/3*3.14*(4)2*(19)
We move all terms to the left:
v-(1/3*3.14*(4)2*(19))=0
We add all the numbers together, and all the variables
v-(+1/3*3.14*42*19)=0
We get rid of parentheses
v-1/3*3.14*42*19=0
We multiply all the terms by the denominator
v*3*3.14*42*19-1=0
Wy multiply elements
7517.16v*3-1=0
We move all terms containing v to the left, all other terms to the right
7517.16v*3=1
v=1/1
v=1
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