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Simplifying 4.5 = 0.5r Solving 4.5 = 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. 4.5 + -0.5r = 0.5r + -0.5r Combine like terms: 0.5r + -0.5r = 0.0 4.5 + -0.5r = 0.0 Add '-4.5' to each side of the equation. 4.5 + -4.5 + -0.5r = 0.0 + -4.5 Combine like terms: 4.5 + -4.5 = 0.0 0.0 + -0.5r = 0.0 + -4.5 -0.5r = 0.0 + -4.5 Combine like terms: 0.0 + -4.5 = -4.5 -0.5r = -4.5 Divide each side by '-0.5'. r = 9 Simplifying r = 9
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