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