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Simplifying (2n + 1) + (2n + 3) + (2n + 5) = n + -189 Reorder the terms: (1 + 2n) + (2n + 3) + (2n + 5) = n + -189 Remove parenthesis around (1 + 2n) 1 + 2n + (2n + 3) + (2n + 5) = n + -189 Reorder the terms: 1 + 2n + (3 + 2n) + (2n + 5) = n + -189 Remove parenthesis around (3 + 2n) 1 + 2n + 3 + 2n + (2n + 5) = n + -189 Reorder the terms: 1 + 2n + 3 + 2n + (5 + 2n) = n + -189 Remove parenthesis around (5 + 2n) 1 + 2n + 3 + 2n + 5 + 2n = n + -189 Reorder the terms: 1 + 3 + 5 + 2n + 2n + 2n = n + -189 Combine like terms: 1 + 3 = 4 4 + 5 + 2n + 2n + 2n = n + -189 Combine like terms: 4 + 5 = 9 9 + 2n + 2n + 2n = n + -189 Combine like terms: 2n + 2n = 4n 9 + 4n + 2n = n + -189 Combine like terms: 4n + 2n = 6n 9 + 6n = n + -189 Reorder the terms: 9 + 6n = -189 + n Solving 9 + 6n = -189 + n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1n' to each side of the equation. 9 + 6n + -1n = -189 + n + -1n Combine like terms: 6n + -1n = 5n 9 + 5n = -189 + n + -1n Combine like terms: n + -1n = 0 9 + 5n = -189 + 0 9 + 5n = -189 Add '-9' to each side of the equation. 9 + -9 + 5n = -189 + -9 Combine like terms: 9 + -9 = 0 0 + 5n = -189 + -9 5n = -189 + -9 Combine like terms: -189 + -9 = -198 5n = -198 Divide each side by '5'. n = -39.6 Simplifying n = -39.6
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