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Simplifying 4r + 8 + 3r = 22 Reorder the terms: 8 + 4r + 3r = 22 Combine like terms: 4r + 3r = 7r 8 + 7r = 22 Solving 8 + 7r = 22 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 7r = 22 + -8 Combine like terms: 8 + -8 = 0 0 + 7r = 22 + -8 7r = 22 + -8 Combine like terms: 22 + -8 = 14 7r = 14 Divide each side by '7'. r = 2 Simplifying r = 2
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