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Simplifying 20 = 0.8n Solving 20 = 0.8n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.8n' to each side of the equation. 20 + -0.8n = 0.8n + -0.8n Combine like terms: 0.8n + -0.8n = 0.0 20 + -0.8n = 0.0 Add '-20' to each side of the equation. 20 + -20 + -0.8n = 0.0 + -20 Combine like terms: 20 + -20 = 0 0 + -0.8n = 0.0 + -20 -0.8n = 0.0 + -20 Combine like terms: 0.0 + -20 = -20 -0.8n = -20 Divide each side by '-0.8'. n = 25 Simplifying n = 25
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