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Simplifying 1.8r + 9 = 5.7r Reorder the terms: 9 + 1.8r = 5.7r Solving 9 + 1.8r = 5.7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5.7r' to each side of the equation. 9 + 1.8r + -5.7r = 5.7r + -5.7r Combine like terms: 1.8r + -5.7r = -3.9r 9 + -3.9r = 5.7r + -5.7r Combine like terms: 5.7r + -5.7r = 0.0 9 + -3.9r = 0.0 Add '-9' to each side of the equation. 9 + -9 + -3.9r = 0.0 + -9 Combine like terms: 9 + -9 = 0 0 + -3.9r = 0.0 + -9 -3.9r = 0.0 + -9 Combine like terms: 0.0 + -9 = -9 -3.9r = -9 Divide each side by '-3.9'. r = 2.307692308 Simplifying r = 2.307692308
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