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Simplifying 3x + -12 = 3[x + -1] + -5 Reorder the terms: -12 + 3x = 3[x + -1] + -5 Reorder the terms: -12 + 3x = 3[-1 + x] + -5 -12 + 3x = [-1 * 3 + x * 3] + -5 -12 + 3x = [-3 + 3x] + -5 Reorder the terms: -12 + 3x = -3 + -5 + 3x Combine like terms: -3 + -5 = -8 -12 + 3x = -8 + 3x Add '-3x' to each side of the equation. -12 + 3x + -3x = -8 + 3x + -3x Combine like terms: 3x + -3x = 0 -12 + 0 = -8 + 3x + -3x -12 = -8 + 3x + -3x Combine like terms: 3x + -3x = 0 -12 = -8 + 0 -12 = -8 Solving -12 = -8 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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