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Simplifying -81 = -3n Solving -81 = -3n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '3n' to each side of the equation. -81 + 3n = -3n + 3n Combine like terms: -3n + 3n = 0 -81 + 3n = 0 Add '81' to each side of the equation. -81 + 81 + 3n = 0 + 81 Combine like terms: -81 + 81 = 0 0 + 3n = 0 + 81 3n = 0 + 81 Combine like terms: 0 + 81 = 81 3n = 81 Divide each side by '3'. n = 27 Simplifying n = 27
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