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Simplifying 2(x + -1) + -9 = 6x + -4(2 + x) Reorder the terms: 2(-1 + x) + -9 = 6x + -4(2 + x) (-1 * 2 + x * 2) + -9 = 6x + -4(2 + x) (-2 + 2x) + -9 = 6x + -4(2 + x) Reorder the terms: -2 + -9 + 2x = 6x + -4(2 + x) Combine like terms: -2 + -9 = -11 -11 + 2x = 6x + -4(2 + x) -11 + 2x = 6x + (2 * -4 + x * -4) -11 + 2x = 6x + (-8 + -4x) Reorder the terms: -11 + 2x = -8 + 6x + -4x Combine like terms: 6x + -4x = 2x -11 + 2x = -8 + 2x Add '-2x' to each side of the equation. -11 + 2x + -2x = -8 + 2x + -2x Combine like terms: 2x + -2x = 0 -11 + 0 = -8 + 2x + -2x -11 = -8 + 2x + -2x Combine like terms: 2x + -2x = 0 -11 = -8 + 0 -11 = -8 Solving -11 = -8 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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