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Simplifying 20 + 1.25n = 2.50n Solving 20 + 1.25n = 2.50n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2.50n' to each side of the equation. 20 + 1.25n + -2.50n = 2.50n + -2.50n Combine like terms: 1.25n + -2.50n = -1.25n 20 + -1.25n = 2.50n + -2.50n Combine like terms: 2.50n + -2.50n = 0.00 20 + -1.25n = 0.00 Add '-20' to each side of the equation. 20 + -20 + -1.25n = 0.00 + -20 Combine like terms: 20 + -20 = 0 0 + -1.25n = 0.00 + -20 -1.25n = 0.00 + -20 Combine like terms: 0.00 + -20 = -20 -1.25n = -20 Divide each side by '-1.25'. n = 16 Simplifying n = 16
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