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Simplifying 0.7r + 5.4 = 2.5r Reorder the terms: 5.4 + 0.7r = 2.5r Solving 5.4 + 0.7r = 2.5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2.5r' to each side of the equation. 5.4 + 0.7r + -2.5r = 2.5r + -2.5r Combine like terms: 0.7r + -2.5r = -1.8r 5.4 + -1.8r = 2.5r + -2.5r Combine like terms: 2.5r + -2.5r = 0.0 5.4 + -1.8r = 0.0 Add '-5.4' to each side of the equation. 5.4 + -5.4 + -1.8r = 0.0 + -5.4 Combine like terms: 5.4 + -5.4 = 0.0 0.0 + -1.8r = 0.0 + -5.4 -1.8r = 0.0 + -5.4 Combine like terms: 0.0 + -5.4 = -5.4 -1.8r = -5.4 Divide each side by '-1.8'. r = 3 Simplifying r = 3
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