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Simplifying 4r + 3r = 240 Combine like terms: 4r + 3r = 7r 7r = 240 Solving 7r = 240 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Divide each side by '7'. r = 34.28571429 Simplifying r = 34.28571429
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