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Simplifying 7(r + 4) = 2 + -5 Reorder the terms: 7(4 + r) = 2 + -5 (4 * 7 + r * 7) = 2 + -5 (28 + 7r) = 2 + -5 Combine like terms: 2 + -5 = -3 28 + 7r = -3 Solving 28 + 7r = -3 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + 7r = -3 + -28 Combine like terms: 28 + -28 = 0 0 + 7r = -3 + -28 7r = -3 + -28 Combine like terms: -3 + -28 = -31 7r = -31 Divide each side by '7'. r = -4.428571429 Simplifying r = -4.428571429
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