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Simplifying -1.8r + 9 = -5.7r + -6 Reorder the terms: 9 + -1.8r = -5.7r + -6 Reorder the terms: 9 + -1.8r = -6 + -5.7r Solving 9 + -1.8r = -6 + -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 = -6 + -5.7r + 5.7r Combine like terms: -1.8r + 5.7r = 3.9r 9 + 3.9r = -6 + -5.7r + 5.7r Combine like terms: -5.7r + 5.7r = 0.0 9 + 3.9r = -6 + 0.0 9 + 3.9r = -6 Add '-9' to each side of the equation. 9 + -9 + 3.9r = -6 + -9 Combine like terms: 9 + -9 = 0 0 + 3.9r = -6 + -9 3.9r = -6 + -9 Combine like terms: -6 + -9 = -15 3.9r = -15 Divide each side by '3.9'. r = -3.846153846 Simplifying r = -3.846153846
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