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Simplifying 2(x + -1) + -7 = 5x + -3(2 + x) Reorder the terms: 2(-1 + x) + -7 = 5x + -3(2 + x) (-1 * 2 + x * 2) + -7 = 5x + -3(2 + x) (-2 + 2x) + -7 = 5x + -3(2 + x) Reorder the terms: -2 + -7 + 2x = 5x + -3(2 + x) Combine like terms: -2 + -7 = -9 -9 + 2x = 5x + -3(2 + x) -9 + 2x = 5x + (2 * -3 + x * -3) -9 + 2x = 5x + (-6 + -3x) Reorder the terms: -9 + 2x = -6 + 5x + -3x Combine like terms: 5x + -3x = 2x -9 + 2x = -6 + 2x Add '-2x' to each side of the equation. -9 + 2x + -2x = -6 + 2x + -2x Combine like terms: 2x + -2x = 0 -9 + 0 = -6 + 2x + -2x -9 = -6 + 2x + -2x Combine like terms: 2x + -2x = 0 -9 = -6 + 0 -9 = -6 Solving -9 = -6 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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