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Simplifying 2k + 12 + -12 = -4 Reorder the terms: 12 + -12 + 2k = -4 Combine like terms: 12 + -12 = 0 0 + 2k = -4 2k = -4 Solving 2k = -4 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Divide each side by '2'. k = -2 Simplifying k = -2
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