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Simplifying 4.1 = (3.14) * r Solving 4.1 = 3.14r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3.14r' to each side of the equation. 4.1 + -3.14r = 3.14r + -3.14r Combine like terms: 3.14r + -3.14r = 0.00 4.1 + -3.14r = 0.00 Add '-4.1' to each side of the equation. 4.1 + -4.1 + -3.14r = 0.00 + -4.1 Combine like terms: 4.1 + -4.1 = 0.0 0.0 + -3.14r = 0.00 + -4.1 -3.14r = 0.00 + -4.1 Combine like terms: 0.00 + -4.1 = -4.1 -3.14r = -4.1 Divide each side by '-3.14'. r = 1.305732484 Simplifying r = 1.305732484
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