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Simplifying x + -2(2x + 9) = 5 + -3x Reorder the terms: x + -2(9 + 2x) = 5 + -3x x + (9 * -2 + 2x * -2) = 5 + -3x x + (-18 + -4x) = 5 + -3x Reorder the terms: -18 + x + -4x = 5 + -3x Combine like terms: x + -4x = -3x -18 + -3x = 5 + -3x Add '3x' to each side of the equation. -18 + -3x + 3x = 5 + -3x + 3x Combine like terms: -3x + 3x = 0 -18 + 0 = 5 + -3x + 3x -18 = 5 + -3x + 3x Combine like terms: -3x + 3x = 0 -18 = 5 + 0 -18 = 5 Solving -18 = 5 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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