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Simplifying 7(n + 3) = -42 Reorder the terms: 7(3 + n) = -42 (3 * 7 + n * 7) = -42 (21 + 7n) = -42 Solving 21 + 7n = -42 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 + 7n = -42 + -21 Combine like terms: 21 + -21 = 0 0 + 7n = -42 + -21 7n = -42 + -21 Combine like terms: -42 + -21 = -63 7n = -63 Divide each side by '7'. n = -9 Simplifying n = -9
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