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Simplifying 7k + 12 = -9k Reorder the terms: 12 + 7k = -9k Solving 12 + 7k = -9k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '9k' to each side of the equation. 12 + 7k + 9k = -9k + 9k Combine like terms: 7k + 9k = 16k 12 + 16k = -9k + 9k Combine like terms: -9k + 9k = 0 12 + 16k = 0 Add '-12' to each side of the equation. 12 + -12 + 16k = 0 + -12 Combine like terms: 12 + -12 = 0 0 + 16k = 0 + -12 16k = 0 + -12 Combine like terms: 0 + -12 = -12 16k = -12 Divide each side by '16'. k = -0.75 Simplifying k = -0.75
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