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Simplifying 300 + 5n = 2n + 450 Reorder the terms: 300 + 5n = 450 + 2n Solving 300 + 5n = 450 + 2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2n' to each side of the equation. 300 + 5n + -2n = 450 + 2n + -2n Combine like terms: 5n + -2n = 3n 300 + 3n = 450 + 2n + -2n Combine like terms: 2n + -2n = 0 300 + 3n = 450 + 0 300 + 3n = 450 Add '-300' to each side of the equation. 300 + -300 + 3n = 450 + -300 Combine like terms: 300 + -300 = 0 0 + 3n = 450 + -300 3n = 450 + -300 Combine like terms: 450 + -300 = 150 3n = 150 Divide each side by '3'. n = 50 Simplifying n = 50
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