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