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Simplifying 377 = 2 * 3.15r * 12 Reorder the terms for easier multiplication: 377 = 2 * 3.15 * 12r Multiply 2 * 3.15 377 = 6.3 * 12r Multiply 6.3 * 12 377 = 75.6r Solving 377 = 75.6r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-75.6r' to each side of the equation. 377 + -75.6r = 75.6r + -75.6r Combine like terms: 75.6r + -75.6r = 0.0 377 + -75.6r = 0.0 Add '-377' to each side of the equation. 377 + -377 + -75.6r = 0.0 + -377 Combine like terms: 377 + -377 = 0 0 + -75.6r = 0.0 + -377 -75.6r = 0.0 + -377 Combine like terms: 0.0 + -377 = -377 -75.6r = -377 Divide each side by '-75.6'. r = 4.986772487 Simplifying r = 4.986772487
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