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Simplifying 56n + 21 + -8n + 3n = -81 Reorder the terms: 21 + 56n + -8n + 3n = -81 Combine like terms: 56n + -8n = 48n 21 + 48n + 3n = -81 Combine like terms: 48n + 3n = 51n 21 + 51n = -81 Solving 21 + 51n = -81 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 + 51n = -81 + -21 Combine like terms: 21 + -21 = 0 0 + 51n = -81 + -21 51n = -81 + -21 Combine like terms: -81 + -21 = -102 51n = -102 Divide each side by '51'. n = -2 Simplifying n = -2
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