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Simplifying 2(r + 5) = 16 Reorder the terms: 2(5 + r) = 16 (5 * 2 + r * 2) = 16 (10 + 2r) = 16 Solving 10 + 2r = 16 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 2r = 16 + -10 Combine like terms: 10 + -10 = 0 0 + 2r = 16 + -10 2r = 16 + -10 Combine like terms: 16 + -10 = 6 2r = 6 Divide each side by '2'. r = 3 Simplifying r = 3
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