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Simplifying -0.5(r + -2) = -1r + -2 Reorder the terms: -0.5(-2 + r) = -1r + -2 (-2 * -0.5 + r * -0.5) = -1r + -2 (1 + -0.5r) = -1r + -2 Reorder the terms: 1 + -0.5r = -2 + -1r Solving 1 + -0.5r = -2 + -1r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add 'r' to each side of the equation. 1 + -0.5r + r = -2 + -1r + r Combine like terms: -0.5r + r = 0.5r 1 + 0.5r = -2 + -1r + r Combine like terms: -1r + r = 0 1 + 0.5r = -2 + 0 1 + 0.5r = -2 Add '-1' to each side of the equation. 1 + -1 + 0.5r = -2 + -1 Combine like terms: 1 + -1 = 0 0 + 0.5r = -2 + -1 0.5r = -2 + -1 Combine like terms: -2 + -1 = -3 0.5r = -3 Divide each side by '0.5'. r = -6 Simplifying r = -6
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