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Simplifying 6(x + 9) = 15 Reorder the terms: 6(9 + x) = 15 (9 * 6 + x * 6) = 15 (54 + 6x) = 15 Solving 54 + 6x = 15 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-54' to each side of the equation. 54 + -54 + 6x = 15 + -54 Combine like terms: 54 + -54 = 0 0 + 6x = 15 + -54 6x = 15 + -54 Combine like terms: 15 + -54 = -39 6x = -39 Divide each side by '6'. x = -6.5 Simplifying x = -6.5

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