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Simplifying 15 + 2(3x + 2) = 3(7 + 2x) Reorder the terms: 15 + 2(2 + 3x) = 3(7 + 2x) 15 + (2 * 2 + 3x * 2) = 3(7 + 2x) 15 + (4 + 6x) = 3(7 + 2x) Combine like terms: 15 + 4 = 19 19 + 6x = 3(7 + 2x) 19 + 6x = (7 * 3 + 2x * 3) 19 + 6x = (21 + 6x) Add '-6x' to each side of the equation. 19 + 6x + -6x = 21 + 6x + -6x Combine like terms: 6x + -6x = 0 19 + 0 = 21 + 6x + -6x 19 = 21 + 6x + -6x Combine like terms: 6x + -6x = 0 19 = 21 + 0 19 = 21 Solving 19 = 21 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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