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Simplifying 5.5r + 8 = 1.25r + 20 Reorder the terms: 8 + 5.5r = 1.25r + 20 Reorder the terms: 8 + 5.5r = 20 + 1.25r Solving 8 + 5.5r = 20 + 1.25r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-1.25r' to each side of the equation. 8 + 5.5r + -1.25r = 20 + 1.25r + -1.25r Combine like terms: 5.5r + -1.25r = 4.25r 8 + 4.25r = 20 + 1.25r + -1.25r Combine like terms: 1.25r + -1.25r = 0.00 8 + 4.25r = 20 + 0.00 8 + 4.25r = 20 Add '-8' to each side of the equation. 8 + -8 + 4.25r = 20 + -8 Combine like terms: 8 + -8 = 0 0 + 4.25r = 20 + -8 4.25r = 20 + -8 Combine like terms: 20 + -8 = 12 4.25r = 12 Divide each side by '4.25'. r = 2.823529412 Simplifying r = 2.823529412
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