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Simplifying -1(1 + 4x) = 2(1 + -2x) (1 * -1 + 4x * -1) = 2(1 + -2x) (-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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