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Simplifying (7r + 2) = 0 Reorder the terms: (2 + 7r) = 0 Remove parenthesis around (2 + 7r) 2 + 7r = 0 Solving 2 + 7r = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 7r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7r = 0 + -2 7r = 0 + -2 Combine like terms: 0 + -2 = -2 7r = -2 Divide each side by '7'. r = -0.2857142857 Simplifying r = -0.2857142857
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