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Simplifying 20 + 2n = 30 + 1.50n Solving 20 + 2n = 30 + 1.50n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1.50n' to each side of the equation. 20 + 2n + -1.50n = 30 + 1.50n + -1.50n Combine like terms: 2n + -1.50n = 0.5n 20 + 0.5n = 30 + 1.50n + -1.50n Combine like terms: 1.50n + -1.50n = 0.00 20 + 0.5n = 30 + 0.00 20 + 0.5n = 30 Add '-20' to each side of the equation. 20 + -20 + 0.5n = 30 + -20 Combine like terms: 20 + -20 = 0 0 + 0.5n = 30 + -20 0.5n = 30 + -20 Combine like terms: 30 + -20 = 10 0.5n = 10 Divide each side by '0.5'. n = 20 Simplifying n = 20
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