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Simplifying 4n + 8 + -12n + 20 = -28 Reorder the terms: 8 + 20 + 4n + -12n = -28 Combine like terms: 8 + 20 = 28 28 + 4n + -12n = -28 Combine like terms: 4n + -12n = -8n 28 + -8n = -28 Solving 28 + -8n = -28 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -8n = -28 + -28 Combine like terms: 28 + -28 = 0 0 + -8n = -28 + -28 -8n = -28 + -28 Combine like terms: -28 + -28 = -56 -8n = -56 Divide each side by '-8'. n = 7 Simplifying n = 7
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