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