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Simplifying 20 + -8n = 15 + 1n Solving 20 + -8n = 15 + 1n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1n' to each side of the equation. 20 + -8n + -1n = 15 + 1n + -1n Combine like terms: -8n + -1n = -9n 20 + -9n = 15 + 1n + -1n Combine like terms: 1n + -1n = 0 20 + -9n = 15 + 0 20 + -9n = 15 Add '-20' to each side of the equation. 20 + -20 + -9n = 15 + -20 Combine like terms: 20 + -20 = 0 0 + -9n = 15 + -20 -9n = 15 + -20 Combine like terms: 15 + -20 = -5 -9n = -5 Divide each side by '-9'. n = 0.5555555556 Simplifying n = 0.5555555556
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