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Simplifying -0.5(8 + -4r) = 2(2 + r) (8 * -0.5 + -4r * -0.5) = 2(2 + r) (-4 + 2r) = 2(2 + r) -4 + 2r = (2 * 2 + r * 2) -4 + 2r = (4 + 2r) Add '-2r' to each side of the equation. -4 + 2r + -2r = 4 + 2r + -2r Combine like terms: 2r + -2r = 0 -4 + 0 = 4 + 2r + -2r -4 = 4 + 2r + -2r Combine like terms: 2r + -2r = 0 -4 = 4 + 0 -4 = 4 Solving -4 = 4 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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