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Simplifying 81 = 30 + -17n Solving 81 = 30 + -17n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '17n' to each side of the equation. 81 + 17n = 30 + -17n + 17n Combine like terms: -17n + 17n = 0 81 + 17n = 30 + 0 81 + 17n = 30 Add '-81' to each side of the equation. 81 + -81 + 17n = 30 + -81 Combine like terms: 81 + -81 = 0 0 + 17n = 30 + -81 17n = 30 + -81 Combine like terms: 30 + -81 = -51 17n = -51 Divide each side by '17'. n = -3 Simplifying n = -3
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