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Simplifying 8x + -9 = 8(x + -1) + 1 Reorder the terms: -9 + 8x = 8(x + -1) + 1 Reorder the terms: -9 + 8x = 8(-1 + x) + 1 -9 + 8x = (-1 * 8 + x * 8) + 1 -9 + 8x = (-8 + 8x) + 1 Reorder the terms: -9 + 8x = -8 + 1 + 8x Combine like terms: -8 + 1 = -7 -9 + 8x = -7 + 8x Add '-8x' to each side of the equation. -9 + 8x + -8x = -7 + 8x + -8x Combine like terms: 8x + -8x = 0 -9 + 0 = -7 + 8x + -8x -9 = -7 + 8x + -8x Combine like terms: 8x + -8x = 0 -9 = -7 + 0 -9 = -7 Solving -9 = -7 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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