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Simplifying -1.8r + -5.51 = 3.87 + -1.1r Reorder the terms: -5.51 + -1.8r = 3.87 + -1.1r Solving -5.51 + -1.8r = 3.87 + -1.1r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '1.1r' to each side of the equation. -5.51 + -1.8r + 1.1r = 3.87 + -1.1r + 1.1r Combine like terms: -1.8r + 1.1r = -0.7r -5.51 + -0.7r = 3.87 + -1.1r + 1.1r Combine like terms: -1.1r + 1.1r = 0.0 -5.51 + -0.7r = 3.87 + 0.0 -5.51 + -0.7r = 3.87 Add '5.51' to each side of the equation. -5.51 + 5.51 + -0.7r = 3.87 + 5.51 Combine like terms: -5.51 + 5.51 = 0.00 0.00 + -0.7r = 3.87 + 5.51 -0.7r = 3.87 + 5.51 Combine like terms: 3.87 + 5.51 = 9.38 -0.7r = 9.38 Divide each side by '-0.7'. r = -13.4 Simplifying r = -13.4
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