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