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Simplifying 0.5(4d + -2) = 2 + 2d Reorder the terms: 0.5(-2 + 4d) = 2 + 2d (-2 * 0.5 + 4d * 0.5) = 2 + 2d (-1 + 2d) = 2 + 2d Add '-2d' to each side of the equation. -1 + 2d + -2d = 2 + 2d + -2d Combine like terms: 2d + -2d = 0 -1 + 0 = 2 + 2d + -2d -1 = 2 + 2d + -2d Combine like terms: 2d + -2d = 0 -1 = 2 + 0 -1 = 2 Solving -1 = 2 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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