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Simplifying -4(2 + -1n) = 12 (2 * -4 + -1n * -4) = 12 (-8 + 4n) = 12 Solving -8 + 4n = 12 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + 4n = 12 + 8 Combine like terms: -8 + 8 = 0 0 + 4n = 12 + 8 4n = 12 + 8 Combine like terms: 12 + 8 = 20 4n = 20 Divide each side by '4'. n = 5 Simplifying n = 5
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