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