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Simplifying -6x + 8x + -9 = 2(x + -2) + -7 Reorder the terms: -9 + -6x + 8x = 2(x + -2) + -7 Combine like terms: -6x + 8x = 2x -9 + 2x = 2(x + -2) + -7 Reorder the terms: -9 + 2x = 2(-2 + x) + -7 -9 + 2x = (-2 * 2 + x * 2) + -7 -9 + 2x = (-4 + 2x) + -7 Reorder the terms: -9 + 2x = -4 + -7 + 2x Combine like terms: -4 + -7 = -11 -9 + 2x = -11 + 2x Add '-2x' to each side of the equation. -9 + 2x + -2x = -11 + 2x + -2x Combine like terms: 2x + -2x = 0 -9 + 0 = -11 + 2x + -2x -9 = -11 + 2x + -2x Combine like terms: 2x + -2x = 0 -9 = -11 + 0 -9 = -11 Solving -9 = -11 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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