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Simplifying 175.84 = 2r * 3.14 Reorder the terms for easier multiplication: 175.84 = 2 * 3.14r Multiply 2 * 3.14 175.84 = 6.28r Solving 175.84 = 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. 175.84 + -6.28r = 6.28r + -6.28r Combine like terms: 6.28r + -6.28r = 0.00 175.84 + -6.28r = 0.00 Add '-175.84' to each side of the equation. 175.84 + -175.84 + -6.28r = 0.00 + -175.84 Combine like terms: 175.84 + -175.84 = 0.00 0.00 + -6.28r = 0.00 + -175.84 -6.28r = 0.00 + -175.84 Combine like terms: 0.00 + -175.84 = -175.84 -6.28r = -175.84 Divide each side by '-6.28'. r = 28 Simplifying r = 28
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