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Simplifying -3 + 7(x + -1) = 12x + 2 + -5x Reorder the terms: -3 + 7(-1 + x) = 12x + 2 + -5x -3 + (-1 * 7 + x * 7) = 12x + 2 + -5x -3 + (-7 + 7x) = 12x + 2 + -5x Combine like terms: -3 + -7 = -10 -10 + 7x = 12x + 2 + -5x Reorder the terms: -10 + 7x = 2 + 12x + -5x Combine like terms: 12x + -5x = 7x -10 + 7x = 2 + 7x Add '-7x' to each side of the equation. -10 + 7x + -7x = 2 + 7x + -7x Combine like terms: 7x + -7x = 0 -10 + 0 = 2 + 7x + -7x -10 = 2 + 7x + -7x Combine like terms: 7x + -7x = 0 -10 = 2 + 0 -10 = 2 Solving -10 = 2 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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