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Simplifying -6.5r + 15 = -9.7 + 43.8 Reorder the terms: 15 + -6.5r = -9.7 + 43.8 Combine like terms: -9.7 + 43.8 = 34.1 15 + -6.5r = 34.1 Solving 15 + -6.5r = 34.1 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -6.5r = 34.1 + -15 Combine like terms: 15 + -15 = 0 0 + -6.5r = 34.1 + -15 -6.5r = 34.1 + -15 Combine like terms: 34.1 + -15 = 19.1 -6.5r = 19.1 Divide each side by '-6.5'. r = -2.938461538 Simplifying r = -2.938461538
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