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Simplifying 3 * 14 * 2r = 157 Multiply 3 * 14 42 * 2r = 157 Multiply 42 * 2 84r = 157 Solving 84r = 157 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Divide each side by '84'. r = 1.869047619 Simplifying r = 1.869047619
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