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Simplifying 3.45 = 2(3.14r) Remove parenthesis around (3.14r) 3.45 = 2 * 3.14r Multiply 2 * 3.14 3.45 = 6.28r Solving 3.45 = 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. 3.45 + -6.28r = 6.28r + -6.28r Combine like terms: 6.28r + -6.28r = 0.00 3.45 + -6.28r = 0.00 Add '-3.45' to each side of the equation. 3.45 + -3.45 + -6.28r = 0.00 + -3.45 Combine like terms: 3.45 + -3.45 = 0.00 0.00 + -6.28r = 0.00 + -3.45 -6.28r = 0.00 + -3.45 Combine like terms: 0.00 + -3.45 = -3.45 -6.28r = -3.45 Divide each side by '-6.28'. r = 0.5493630573 Simplifying r = 0.5493630573
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