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