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Simplifying 9n + -5 + 4(2n) = 63 Remove parenthesis around (2n) 9n + -5 + 4 * 2n = 63 Multiply 4 * 2 9n + -5 + 8n = 63 Reorder the terms: -5 + 9n + 8n = 63 Combine like terms: 9n + 8n = 17n -5 + 17n = 63 Solving -5 + 17n = 63 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 17n = 63 + 5 Combine like terms: -5 + 5 = 0 0 + 17n = 63 + 5 17n = 63 + 5 Combine like terms: 63 + 5 = 68 17n = 68 Divide each side by '17'. n = 4 Simplifying n = 4
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