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Simplifying 7n + 27 = 3n + 111 Reorder the terms: 27 + 7n = 3n + 111 Reorder the terms: 27 + 7n = 111 + 3n Solving 27 + 7n = 111 + 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. 27 + 7n + -3n = 111 + 3n + -3n Combine like terms: 7n + -3n = 4n 27 + 4n = 111 + 3n + -3n Combine like terms: 3n + -3n = 0 27 + 4n = 111 + 0 27 + 4n = 111 Add '-27' to each side of the equation. 27 + -27 + 4n = 111 + -27 Combine like terms: 27 + -27 = 0 0 + 4n = 111 + -27 4n = 111 + -27 Combine like terms: 111 + -27 = 84 4n = 84 Divide each side by '4'. n = 21 Simplifying n = 21
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