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Simplifying 8.22 = 2 * 7.93r Multiply 2 * 7.93 8.22 = 15.86r Solving 8.22 = 15.86r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-15.86r' to each side of the equation. 8.22 + -15.86r = 15.86r + -15.86r Combine like terms: 15.86r + -15.86r = 0.00 8.22 + -15.86r = 0.00 Add '-8.22' to each side of the equation. 8.22 + -8.22 + -15.86r = 0.00 + -8.22 Combine like terms: 8.22 + -8.22 = 0.00 0.00 + -15.86r = 0.00 + -8.22 -15.86r = 0.00 + -8.22 Combine like terms: 0.00 + -8.22 = -8.22 -15.86r = -8.22 Divide each side by '-15.86'. r = 0.5182849937 Simplifying r = 0.5182849937
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