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Simplifying 8r = 7(r + -2) Reorder the terms: 8r = 7(-2 + r) 8r = (-2 * 7 + r * 7) 8r = (-14 + 7r) Solving 8r = -14 + 7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-7r' to each side of the equation. 8r + -7r = -14 + 7r + -7r Combine like terms: 8r + -7r = 1r 1r = -14 + 7r + -7r Combine like terms: 7r + -7r = 0 1r = -14 + 0 1r = -14 Divide each side by '1'. r = -14 Simplifying r = -14
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