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