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v=4*3.14*1968.75
We simplify the equation to the form, which is simple to understand
v=4*3.14*1968.75
We move all terms containing v to the left and all other terms to the right.
+1v=+24727.5
We simplify left and right side of the equation.
+1v=+24727.5
We divide both sides of the equation by 1 to get v.
v=24727.5
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