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Simplifying 0.2r + 0.75 = 0.5r Reorder the terms: 0.75 + 0.2r = 0.5r Solving 0.75 + 0.2r = 0.5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-0.5r' to each side of the equation. 0.75 + 0.2r + -0.5r = 0.5r + -0.5r Combine like terms: 0.2r + -0.5r = -0.3r 0.75 + -0.3r = 0.5r + -0.5r Combine like terms: 0.5r + -0.5r = 0.0 0.75 + -0.3r = 0.0 Add '-0.75' to each side of the equation. 0.75 + -0.75 + -0.3r = 0.0 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + -0.3r = 0.0 + -0.75 -0.3r = 0.0 + -0.75 Combine like terms: 0.0 + -0.75 = -0.75 -0.3r = -0.75 Divide each side by '-0.3'. r = 2.5 Simplifying r = 2.5
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