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Simplifying 7r + 2 = 5(r + -2) Reorder the terms: 2 + 7r = 5(r + -2) Reorder the terms: 2 + 7r = 5(-2 + r) 2 + 7r = (-2 * 5 + r * 5) 2 + 7r = (-10 + 5r) Solving 2 + 7r = -10 + 5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5r' to each side of the equation. 2 + 7r + -5r = -10 + 5r + -5r Combine like terms: 7r + -5r = 2r 2 + 2r = -10 + 5r + -5r Combine like terms: 5r + -5r = 0 2 + 2r = -10 + 0 2 + 2r = -10 Add '-2' to each side of the equation. 2 + -2 + 2r = -10 + -2 Combine like terms: 2 + -2 = 0 0 + 2r = -10 + -2 2r = -10 + -2 Combine like terms: -10 + -2 = -12 2r = -12 Divide each side by '2'. r = -6 Simplifying r = -6
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