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Simplifying 5 = 2 * 3.14r Multiply 2 * 3.14 5 = 6.28r Solving 5 = 6.28r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-6.28r' to each side of the equation. 5 + -6.28r = 6.28r + -6.28r Combine like terms: 6.28r + -6.28r = 0.00 5 + -6.28r = 0.00 Add '-5' to each side of the equation. 5 + -5 + -6.28r = 0.00 + -5 Combine like terms: 5 + -5 = 0 0 + -6.28r = 0.00 + -5 -6.28r = 0.00 + -5 Combine like terms: 0.00 + -5 = -5 -6.28r = -5 Divide each side by '-6.28'. r = 0.7961783439 Simplifying r = 0.7961783439
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