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Simplifying 12.5r + 8.65 = 12r Reorder the terms: 8.65 + 12.5r = 12r Solving 8.65 + 12.5r = 12r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-12r' to each side of the equation. 8.65 + 12.5r + -12r = 12r + -12r Combine like terms: 12.5r + -12r = 0.5r 8.65 + 0.5r = 12r + -12r Combine like terms: 12r + -12r = 0 8.65 + 0.5r = 0 Add '-8.65' to each side of the equation. 8.65 + -8.65 + 0.5r = 0 + -8.65 Combine like terms: 8.65 + -8.65 = 0.00 0.00 + 0.5r = 0 + -8.65 0.5r = 0 + -8.65 Combine like terms: 0 + -8.65 = -8.65 0.5r = -8.65 Divide each side by '0.5'. r = -17.3 Simplifying r = -17.3
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