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Simplifying 2(11r + 7) + 1 = 0 Reorder the terms: 2(7 + 11r) + 1 = 0 (7 * 2 + 11r * 2) + 1 = 0 (14 + 22r) + 1 = 0 Reorder the terms: 14 + 1 + 22r = 0 Combine like terms: 14 + 1 = 15 15 + 22r = 0 Solving 15 + 22r = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + 22r = 0 + -15 Combine like terms: 15 + -15 = 0 0 + 22r = 0 + -15 22r = 0 + -15 Combine like terms: 0 + -15 = -15 22r = -15 Divide each side by '22'. r = -0.6818181818 Simplifying r = -0.6818181818
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