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r=4/9*9
We simplify the equation to the form, which is simple to understand
r=4/9*9
We move all terms containing r to the left and all other terms to the right.
+1r=0.049382716049383
We simplify left and right side of the equation.
+1r=0.049382716049383
We divide both sides of the equation by 1 to get r.
r=0.049382716049383
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