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Simplifying 20 + -3n = 2n + 30 Reorder the terms: 20 + -3n = 30 + 2n Solving 20 + -3n = 30 + 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 + -3n + -2n = 30 + 2n + -2n Combine like terms: -3n + -2n = -5n 20 + -5n = 30 + 2n + -2n Combine like terms: 2n + -2n = 0 20 + -5n = 30 + 0 20 + -5n = 30 Add '-20' to each side of the equation. 20 + -20 + -5n = 30 + -20 Combine like terms: 20 + -20 = 0 0 + -5n = 30 + -20 -5n = 30 + -20 Combine like terms: 30 + -20 = 10 -5n = 10 Divide each side by '-5'. n = -2 Simplifying n = -2
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