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Simplifying -20 + -8n = -4(n + 8) Reorder the terms: -20 + -8n = -4(8 + n) -20 + -8n = (8 * -4 + n * -4) -20 + -8n = (-32 + -4n) Solving -20 + -8n = -32 + -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. -20 + -8n + 4n = -32 + -4n + 4n Combine like terms: -8n + 4n = -4n -20 + -4n = -32 + -4n + 4n Combine like terms: -4n + 4n = 0 -20 + -4n = -32 + 0 -20 + -4n = -32 Add '20' to each side of the equation. -20 + 20 + -4n = -32 + 20 Combine like terms: -20 + 20 = 0 0 + -4n = -32 + 20 -4n = -32 + 20 Combine like terms: -32 + 20 = -12 -4n = -12 Divide each side by '-4'. n = 3 Simplifying n = 3
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