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Simplifying -2 + 7(x + -1) = 12x + 6 + -5x Reorder the terms: -2 + 7(-1 + x) = 12x + 6 + -5x -2 + (-1 * 7 + x * 7) = 12x + 6 + -5x -2 + (-7 + 7x) = 12x + 6 + -5x Combine like terms: -2 + -7 = -9 -9 + 7x = 12x + 6 + -5x Reorder the terms: -9 + 7x = 6 + 12x + -5x Combine like terms: 12x + -5x = 7x -9 + 7x = 6 + 7x Add '-7x' to each side of the equation. -9 + 7x + -7x = 6 + 7x + -7x Combine like terms: 7x + -7x = 0 -9 + 0 = 6 + 7x + -7x -9 = 6 + 7x + -7x Combine like terms: 7x + -7x = 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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