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Simplifying 20 + 28n = 13n + 42 Reorder the terms: 20 + 28n = 42 + 13n Solving 20 + 28n = 42 + 13n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-13n' to each side of the equation. 20 + 28n + -13n = 42 + 13n + -13n Combine like terms: 28n + -13n = 15n 20 + 15n = 42 + 13n + -13n Combine like terms: 13n + -13n = 0 20 + 15n = 42 + 0 20 + 15n = 42 Add '-20' to each side of the equation. 20 + -20 + 15n = 42 + -20 Combine like terms: 20 + -20 = 0 0 + 15n = 42 + -20 15n = 42 + -20 Combine like terms: 42 + -20 = 22 15n = 22 Divide each side by '15'. n = 1.466666667 Simplifying n = 1.466666667
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