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Simplifying 3 + -3(3n + -3) = 39 Reorder the terms: 3 + -3(-3 + 3n) = 39 3 + (-3 * -3 + 3n * -3) = 39 3 + (9 + -9n) = 39 Combine like terms: 3 + 9 = 12 12 + -9n = 39 Solving 12 + -9n = 39 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -9n = 39 + -12 Combine like terms: 12 + -12 = 0 0 + -9n = 39 + -12 -9n = 39 + -12 Combine like terms: 39 + -12 = 27 -9n = 27 Divide each side by '-9'. n = -3 Simplifying n = -3
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