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Simplifying 6n + -9 = 3(2n + 9) Reorder the terms: -9 + 6n = 3(2n + 9) Reorder the terms: -9 + 6n = 3(9 + 2n) -9 + 6n = (9 * 3 + 2n * 3) -9 + 6n = (27 + 6n) Add '-6n' to each side of the equation. -9 + 6n + -6n = 27 + 6n + -6n Combine like terms: 6n + -6n = 0 -9 + 0 = 27 + 6n + -6n -9 = 27 + 6n + -6n Combine like terms: 6n + -6n = 0 -9 = 27 + 0 -9 = 27 Solving -9 = 27 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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