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455.9=(4/3)3.14r
We simplify the equation to the form, which is simple to understand
455.9=(4/3)3.14r
Simplifying:
455.9=(+1.33333333333)*3.14r
Reorder the terms in parentheses
455.9=(+4.18666666667r)
Remove unnecessary parentheses
455.9=+4.18666666667r
We move all terms containing r to the left and all other terms to the right.
-4.18666666667r=-455.9
We simplify left and right side of the equation.
-4.18666666667r=-455.9
We divide both sides of the equation by -04.18666666667 to get r.
r=108.893312102
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