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Simplifying 81 = 2n Solving 81 = 2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2n' to each side of the equation. 81 + -2n = 2n + -2n Combine like terms: 2n + -2n = 0 81 + -2n = 0 Add '-81' to each side of the equation. 81 + -81 + -2n = 0 + -81 Combine like terms: 81 + -81 = 0 0 + -2n = 0 + -81 -2n = 0 + -81 Combine like terms: 0 + -81 = -81 -2n = -81 Divide each side by '-2'. n = 40.5 Simplifying n = 40.5
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