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Simplifying 2(x + 6) + 3 = 2x + 9 Reorder the terms: 2(6 + x) + 3 = 2x + 9 (6 * 2 + x * 2) + 3 = 2x + 9 (12 + 2x) + 3 = 2x + 9 Reorder the terms: 12 + 3 + 2x = 2x + 9 Combine like terms: 12 + 3 = 15 15 + 2x = 2x + 9 Reorder the terms: 15 + 2x = 9 + 2x Add '-2x' to each side of the equation. 15 + 2x + -2x = 9 + 2x + -2x Combine like terms: 2x + -2x = 0 15 + 0 = 9 + 2x + -2x 15 = 9 + 2x + -2x Combine like terms: 2x + -2x = 0 15 = 9 + 0 15 = 9 Solving 15 = 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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