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