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Simplifying 7x + -8 = 2(3x + -1) + x Reorder the terms: -8 + 7x = 2(3x + -1) + x Reorder the terms: -8 + 7x = 2(-1 + 3x) + x -8 + 7x = (-1 * 2 + 3x * 2) + x -8 + 7x = (-2 + 6x) + x Combine like terms: 6x + x = 7x -8 + 7x = -2 + 7x Add '-7x' to each side of the equation. -8 + 7x + -7x = -2 + 7x + -7x Combine like terms: 7x + -7x = 0 -8 + 0 = -2 + 7x + -7x -8 = -2 + 7x + -7x Combine like terms: 7x + -7x = 0 -8 = -2 + 0 -8 = -2 Solving -8 = -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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