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Simplifying 7n + 20 = 2n Reorder the terms: 20 + 7n = 2n Solving 20 + 7n = 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. 20 + 7n + -2n = 2n + -2n Combine like terms: 7n + -2n = 5n 20 + 5n = 2n + -2n Combine like terms: 2n + -2n = 0 20 + 5n = 0 Add '-20' to each side of the equation. 20 + -20 + 5n = 0 + -20 Combine like terms: 20 + -20 = 0 0 + 5n = 0 + -20 5n = 0 + -20 Combine like terms: 0 + -20 = -20 5n = -20 Divide each side by '5'. n = -4 Simplifying n = -4
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