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Simplifying 2 = -5(r + -1) Reorder the terms: 2 = -5(-1 + r) 2 = (-1 * -5 + r * -5) 2 = (5 + -5r) Solving 2 = 5 + -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 + 5r = 5 + -5r + 5r Combine like terms: -5r + 5r = 0 2 + 5r = 5 + 0 2 + 5r = 5 Add '-2' to each side of the equation. 2 + -2 + 5r = 5 + -2 Combine like terms: 2 + -2 = 0 0 + 5r = 5 + -2 5r = 5 + -2 Combine like terms: 5 + -2 = 3 5r = 3 Divide each side by '5'. r = 0.6 Simplifying r = 0.6
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