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Simplifying -0.5(r + -2) = r + -2 Reorder the terms: -0.5(-2 + r) = r + -2 (-2 * -0.5 + r * -0.5) = r + -2 (1 + -0.5r) = r + -2 Reorder the terms: 1 + -0.5r = -2 + r Solving 1 + -0.5r = -2 + r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-1r' to each side of the equation. 1 + -0.5r + -1r = -2 + r + -1r Combine like terms: -0.5r + -1r = -1.5r 1 + -1.5r = -2 + r + -1r Combine like terms: r + -1r = 0 1 + -1.5r = -2 + 0 1 + -1.5r = -2 Add '-1' to each side of the equation. 1 + -1 + -1.5r = -2 + -1 Combine like terms: 1 + -1 = 0 0 + -1.5r = -2 + -1 -1.5r = -2 + -1 Combine like terms: -2 + -1 = -3 -1.5r = -3 Divide each side by '-1.5'. r = 2 Simplifying r = 2
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