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Simplifying 7n + 3 = 2n + 12 Reorder the terms: 3 + 7n = 2n + 12 Reorder the terms: 3 + 7n = 12 + 2n Solving 3 + 7n = 12 + 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. 3 + 7n + -2n = 12 + 2n + -2n Combine like terms: 7n + -2n = 5n 3 + 5n = 12 + 2n + -2n Combine like terms: 2n + -2n = 0 3 + 5n = 12 + 0 3 + 5n = 12 Add '-3' to each side of the equation. 3 + -3 + 5n = 12 + -3 Combine like terms: 3 + -3 = 0 0 + 5n = 12 + -3 5n = 12 + -3 Combine like terms: 12 + -3 = 9 5n = 9 Divide each side by '5'. n = 1.8 Simplifying n = 1.8
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