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Simplifying 7(3n + 1) = -161 Reorder the terms: 7(1 + 3n) = -161 (1 * 7 + 3n * 7) = -161 (7 + 21n) = -161 Solving 7 + 21n = -161 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 21n = -161 + -7 Combine like terms: 7 + -7 = 0 0 + 21n = -161 + -7 21n = -161 + -7 Combine like terms: -161 + -7 = -168 21n = -168 Divide each side by '21'. n = -8 Simplifying n = -8
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