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