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Simplifying -1(2x + 4) = 2x + 3 + -4x + 1 Reorder the terms: -1(4 + 2x) = 2x + 3 + -4x + 1 (4 * -1 + 2x * -1) = 2x + 3 + -4x + 1 (-4 + -2x) = 2x + 3 + -4x + 1 Reorder the terms: -4 + -2x = 3 + 1 + 2x + -4x Combine like terms: 3 + 1 = 4 -4 + -2x = 4 + 2x + -4x Combine like terms: 2x + -4x = -2x -4 + -2x = 4 + -2x Add '2x' to each side of the equation. -4 + -2x + 2x = 4 + -2x + 2x Combine like terms: -2x + 2x = 0 -4 + 0 = 4 + -2x + 2x -4 = 4 + -2x + 2x Combine like terms: -2x + 2x = 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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