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Simplifying -2(x + -4) + -9 = -2(x + 16) Reorder the terms: -2(-4 + x) + -9 = -2(x + 16) (-4 * -2 + x * -2) + -9 = -2(x + 16) (8 + -2x) + -9 = -2(x + 16) Reorder the terms: 8 + -9 + -2x = -2(x + 16) Combine like terms: 8 + -9 = -1 -1 + -2x = -2(x + 16) Reorder the terms: -1 + -2x = -2(16 + x) -1 + -2x = (16 * -2 + x * -2) -1 + -2x = (-32 + -2x) Add '2x' to each side of the equation. -1 + -2x + 2x = -32 + -2x + 2x Combine like terms: -2x + 2x = 0 -1 + 0 = -32 + -2x + 2x -1 = -32 + -2x + 2x Combine like terms: -2x + 2x = 0 -1 = -32 + 0 -1 = -32 Solving -1 = -32 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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