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Simplifying 28 = -4n + 15 Reorder the terms: 28 = 15 + -4n Solving 28 = 15 + -4n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '4n' to each side of the equation. 28 + 4n = 15 + -4n + 4n Combine like terms: -4n + 4n = 0 28 + 4n = 15 + 0 28 + 4n = 15 Add '-28' to each side of the equation. 28 + -28 + 4n = 15 + -28 Combine like terms: 28 + -28 = 0 0 + 4n = 15 + -28 4n = 15 + -28 Combine like terms: 15 + -28 = -13 4n = -13 Divide each side by '4'. n = -3.25 Simplifying n = -3.25
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