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Simplifying 7n + 20 = 8n Reorder the terms: 20 + 7n = 8n Solving 20 + 7n = 8n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-8n' to each side of the equation. 20 + 7n + -8n = 8n + -8n Combine like terms: 7n + -8n = -1n 20 + -1n = 8n + -8n Combine like terms: 8n + -8n = 0 20 + -1n = 0 Add '-20' to each side of the equation. 20 + -20 + -1n = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -1n = 0 + -20 -1n = 0 + -20 Combine like terms: 0 + -20 = -20 -1n = -20 Divide each side by '-1'. n = 20 Simplifying n = 20
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