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16-26r=-13
We simplify the equation to the form, which is simple to understand
16-26r=-13
We move all terms containing r to the left and all other terms to the right.
-26r=-13-16
We simplify left and right side of the equation.
-26r=-29
We divide both sides of the equation by -26 to get r.
r=1.1153846153846
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