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Simplifying 34.5 = 2(3.15) * r Multiply 2 * 3.15 34.5 = 6.3r Solving 34.5 = 6.3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-6.3r' to each side of the equation. 34.5 + -6.3r = 6.3r + -6.3r Combine like terms: 6.3r + -6.3r = 0.0 34.5 + -6.3r = 0.0 Add '-34.5' to each side of the equation. 34.5 + -34.5 + -6.3r = 0.0 + -34.5 Combine like terms: 34.5 + -34.5 = 0.0 0.0 + -6.3r = 0.0 + -34.5 -6.3r = 0.0 + -34.5 Combine like terms: 0.0 + -34.5 = -34.5 -6.3r = -34.5 Divide each side by '-6.3'. r = 5.476190476 Simplifying r = 5.476190476
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