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Simplifying 12w + 15r = 39.87 Reorder the terms: 15r + 12w = 39.87 Solving 15r + 12w = 39.87 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-12w' to each side of the equation. 15r + 12w + -12w = 39.87 + -12w Combine like terms: 12w + -12w = 0 15r + 0 = 39.87 + -12w 15r = 39.87 + -12w Divide each side by '15'. r = 2.658 + -0.8w Simplifying r = 2.658 + -0.8w
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