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Simplifying n + 4n + -4 = 42 Reorder the terms: -4 + n + 4n = 42 Combine like terms: n + 4n = 5n -4 + 5n = 42 Solving -4 + 5n = 42 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 5n = 42 + 4 Combine like terms: -4 + 4 = 0 0 + 5n = 42 + 4 5n = 42 + 4 Combine like terms: 42 + 4 = 46 5n = 46 Divide each side by '5'. n = 9.2 Simplifying n = 9.2
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