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Simplifying 12 = 6(3.14) * r Multiply 6 * 3.14 12 = 18.84r Solving 12 = 18.84r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-18.84r' to each side of the equation. 12 + -18.84r = 18.84r + -18.84r Combine like terms: 18.84r + -18.84r = 0.00 12 + -18.84r = 0.00 Add '-12' to each side of the equation. 12 + -12 + -18.84r = 0.00 + -12 Combine like terms: 12 + -12 = 0 0 + -18.84r = 0.00 + -12 -18.84r = 0.00 + -12 Combine like terms: 0.00 + -12 = -12 -18.84r = -12 Divide each side by '-18.84'. r = 0.6369426752 Simplifying r = 0.6369426752
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