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