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Simplifying 2(x + 4) = 2(x + 9) Reorder the terms: 2(4 + x) = 2(x + 9) (4 * 2 + x * 2) = 2(x + 9) (8 + 2x) = 2(x + 9) Reorder the terms: 8 + 2x = 2(9 + x) 8 + 2x = (9 * 2 + x * 2) 8 + 2x = (18 + 2x) Add '-2x' to each side of the equation. 8 + 2x + -2x = 18 + 2x + -2x Combine like terms: 2x + -2x = 0 8 + 0 = 18 + 2x + -2x 8 = 18 + 2x + -2x Combine like terms: 2x + -2x = 0 8 = 18 + 0 8 = 18 Solving 8 = 18 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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