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Simplifying (r + 2) * 2 = 17 Reorder the terms: (2 + r) * 2 = 17 Reorder the terms for easier multiplication: 2(2 + r) = 17 (2 * 2 + r * 2) = 17 (4 + 2r) = 17 Solving 4 + 2r = 17 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 2r = 17 + -4 Combine like terms: 4 + -4 = 0 0 + 2r = 17 + -4 2r = 17 + -4 Combine like terms: 17 + -4 = 13 2r = 13 Divide each side by '2'. r = 6.5 Simplifying r = 6.5
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