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Simplifying 2(x + -4) = 7x + -7 + -5x Reorder the terms: 2(-4 + x) = 7x + -7 + -5x (-4 * 2 + x * 2) = 7x + -7 + -5x (-8 + 2x) = 7x + -7 + -5x Reorder the terms: -8 + 2x = -7 + 7x + -5x Combine like terms: 7x + -5x = 2x -8 + 2x = -7 + 2x Add '-2x' to each side of the equation. -8 + 2x + -2x = -7 + 2x + -2x Combine like terms: 2x + -2x = 0 -8 + 0 = -7 + 2x + -2x -8 = -7 + 2x + -2x Combine like terms: 2x + -2x = 0 -8 = -7 + 0 -8 = -7 Solving -8 = -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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