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Simplifying 4 + 2x + -8 = 3x + 12 + -1x Reorder the terms: 4 + -8 + 2x = 3x + 12 + -1x Combine like terms: 4 + -8 = -4 -4 + 2x = 3x + 12 + -1x Reorder the terms: -4 + 2x = 12 + 3x + -1x Combine like terms: 3x + -1x = 2x -4 + 2x = 12 + 2x Add '-2x' to each side of the equation. -4 + 2x + -2x = 12 + 2x + -2x Combine like terms: 2x + -2x = 0 -4 + 0 = 12 + 2x + -2x -4 = 12 + 2x + -2x Combine like terms: 2x + -2x = 0 -4 = 12 + 0 -4 = 12 Solving -4 = 12 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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