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Simplifying 301.44 = 3.14 * 2r Multiply 3.14 * 2 301.44 = 6.28r Solving 301.44 = 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. 301.44 + -6.28r = 6.28r + -6.28r Combine like terms: 6.28r + -6.28r = 0.00 301.44 + -6.28r = 0.00 Add '-301.44' to each side of the equation. 301.44 + -301.44 + -6.28r = 0.00 + -301.44 Combine like terms: 301.44 + -301.44 = 0.00 0.00 + -6.28r = 0.00 + -301.44 -6.28r = 0.00 + -301.44 Combine like terms: 0.00 + -301.44 = -301.44 -6.28r = -301.44 Divide each side by '-6.28'. r = 48 Simplifying r = 48
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