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Simplifying n(2) + 9 = 49 Reorder the terms for easier multiplication: 2n + 9 = 49 Reorder the terms: 9 + 2n = 49 Solving 9 + 2n = 49 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2n = 49 + -9 Combine like terms: 9 + -9 = 0 0 + 2n = 49 + -9 2n = 49 + -9 Combine like terms: 49 + -9 = 40 2n = 40 Divide each side by '2'. n = 20 Simplifying n = 20
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