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Simplifying 4(3k + -6) = 84 Reorder the terms: 4(-6 + 3k) = 84 (-6 * 4 + 3k * 4) = 84 (-24 + 12k) = 84 Solving -24 + 12k = 84 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '24' to each side of the equation. -24 + 24 + 12k = 84 + 24 Combine like terms: -24 + 24 = 0 0 + 12k = 84 + 24 12k = 84 + 24 Combine like terms: 84 + 24 = 108 12k = 108 Divide each side by '12'. k = 9 Simplifying k = 9
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