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11r-12=0
We simplify the equation to the form, which is simple to understand
11r-12=0
We move all terms containing r to the left and all other terms to the right.
+11r=0+12
We simplify left and right side of the equation.
+11r=+12
We divide both sides of the equation by 11 to get r.
r=1.09090909091
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