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Simplifying 3(x + -2) = 7x + -7 + -4x Reorder the terms: 3(-2 + x) = 7x + -7 + -4x (-2 * 3 + x * 3) = 7x + -7 + -4x (-6 + 3x) = 7x + -7 + -4x Reorder the terms: -6 + 3x = -7 + 7x + -4x Combine like terms: 7x + -4x = 3x -6 + 3x = -7 + 3x Add '-3x' to each side of the equation. -6 + 3x + -3x = -7 + 3x + -3x Combine like terms: 3x + -3x = 0 -6 + 0 = -7 + 3x + -3x -6 = -7 + 3x + -3x Combine like terms: 3x + -3x = 0 -6 = -7 + 0 -6 = -7 Solving -6 = -7 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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