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Simplifying 1.5r + 15 = 2.2r Reorder the terms: 15 + 1.5r = 2.2r Solving 15 + 1.5r = 2.2r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2.2r' to each side of the equation. 15 + 1.5r + -2.2r = 2.2r + -2.2r Combine like terms: 1.5r + -2.2r = -0.7r 15 + -0.7r = 2.2r + -2.2r Combine like terms: 2.2r + -2.2r = 0.0 15 + -0.7r = 0.0 Add '-15' to each side of the equation. 15 + -15 + -0.7r = 0.0 + -15 Combine like terms: 15 + -15 = 0 0 + -0.7r = 0.0 + -15 -0.7r = 0.0 + -15 Combine like terms: 0.0 + -15 = -15 -0.7r = -15 Divide each side by '-0.7'. r = 21.42857143 Simplifying r = 21.42857143
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