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Simplifying 7.11 = 2(3.14) * R Multiply 2 * 3.14 7.11 = 6.28R Solving 7.11 = 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. 7.11 + -6.28R = 6.28R + -6.28R Combine like terms: 6.28R + -6.28R = 0.00 7.11 + -6.28R = 0.00 Add '-7.11' to each side of the equation. 7.11 + -7.11 + -6.28R = 0.00 + -7.11 Combine like terms: 7.11 + -7.11 = 0.00 0.00 + -6.28R = 0.00 + -7.11 -6.28R = 0.00 + -7.11 Combine like terms: 0.00 + -7.11 = -7.11 -6.28R = -7.11 Divide each side by '-6.28'. R = 1.132165605 Simplifying R = 1.132165605
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