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Simplifying 7n + 5 = 2n + 20 Reorder the terms: 5 + 7n = 2n + 20 Reorder the terms: 5 + 7n = 20 + 2n Solving 5 + 7n = 20 + 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. 5 + 7n + -2n = 20 + 2n + -2n Combine like terms: 7n + -2n = 5n 5 + 5n = 20 + 2n + -2n Combine like terms: 2n + -2n = 0 5 + 5n = 20 + 0 5 + 5n = 20 Add '-5' to each side of the equation. 5 + -5 + 5n = 20 + -5 Combine like terms: 5 + -5 = 0 0 + 5n = 20 + -5 5n = 20 + -5 Combine like terms: 20 + -5 = 15 5n = 15 Divide each side by '5'. n = 3 Simplifying n = 3
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