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