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Simplifying 3(-2n + 7) = 39 Reorder the terms: 3(7 + -2n) = 39 (7 * 3 + -2n * 3) = 39 (21 + -6n) = 39 Solving 21 + -6n = 39 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + -6n = 39 + -21 Combine like terms: 21 + -21 = 0 0 + -6n = 39 + -21 -6n = 39 + -21 Combine like terms: 39 + -21 = 18 -6n = 18 Divide each side by '-6'. n = -3 Simplifying n = -3
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