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Simplifying 8n + -1(2n + 7) = 23 Reorder the terms: 8n + -1(7 + 2n) = 23 8n + (7 * -1 + 2n * -1) = 23 8n + (-7 + -2n) = 23 Reorder the terms: -7 + 8n + -2n = 23 Combine like terms: 8n + -2n = 6n -7 + 6n = 23 Solving -7 + 6n = 23 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 6n = 23 + 7 Combine like terms: -7 + 7 = 0 0 + 6n = 23 + 7 6n = 23 + 7 Combine like terms: 23 + 7 = 30 6n = 30 Divide each side by '6'. n = 5 Simplifying n = 5
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