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Simplifying -4(2 + n) + 9 = 1 (2 * -4 + n * -4) + 9 = 1 (-8 + -4n) + 9 = 1 Reorder the terms: -8 + 9 + -4n = 1 Combine like terms: -8 + 9 = 1 1 + -4n = 1 Add '-1' to each side of the equation. 1 + -1 + -4n = 1 + -1 Combine like terms: 1 + -1 = 0 0 + -4n = 1 + -1 -4n = 1 + -1 Combine like terms: 1 + -1 = 0 -4n = 0 Solving -4n = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Divide each side by '-4'. n = 0 Simplifying n = 0
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