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Simplifying 8(x + -2) + 7 = 6x + 2(-4 + x) Reorder the terms: 8(-2 + x) + 7 = 6x + 2(-4 + x) (-2 * 8 + x * 8) + 7 = 6x + 2(-4 + x) (-16 + 8x) + 7 = 6x + 2(-4 + x) Reorder the terms: -16 + 7 + 8x = 6x + 2(-4 + x) Combine like terms: -16 + 7 = -9 -9 + 8x = 6x + 2(-4 + x) -9 + 8x = 6x + (-4 * 2 + x * 2) -9 + 8x = 6x + (-8 + 2x) Reorder the terms: -9 + 8x = -8 + 6x + 2x Combine like terms: 6x + 2x = 8x -9 + 8x = -8 + 8x Add '-8x' to each side of the equation. -9 + 8x + -8x = -8 + 8x + -8x Combine like terms: 8x + -8x = 0 -9 + 0 = -8 + 8x + -8x -9 = -8 + 8x + -8x Combine like terms: 8x + -8x = 0 -9 = -8 + 0 -9 = -8 Solving -9 = -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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