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Simplifying -1r + -2 = -0.5(r + -2) Reorder the terms: -2 + -1r = -0.5(r + -2) Reorder the terms: -2 + -1r = -0.5(-2 + r) -2 + -1r = (-2 * -0.5 + r * -0.5) -2 + -1r = (1 + -0.5r) Solving -2 + -1r = 1 + -0.5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '0.5r' to each side of the equation. -2 + -1r + 0.5r = 1 + -0.5r + 0.5r Combine like terms: -1r + 0.5r = -0.5r -2 + -0.5r = 1 + -0.5r + 0.5r Combine like terms: -0.5r + 0.5r = 0.0 -2 + -0.5r = 1 + 0.0 -2 + -0.5r = 1 Add '2' to each side of the equation. -2 + 2 + -0.5r = 1 + 2 Combine like terms: -2 + 2 = 0 0 + -0.5r = 1 + 2 -0.5r = 1 + 2 Combine like terms: 1 + 2 = 3 -0.5r = 3 Divide each side by '-0.5'. r = -6 Simplifying r = -6
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