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Simplifying rk + -1k = 5r Reorder the terms: -1k + kr = 5r Solving -1k + kr = 5r Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Combine like terms: 5r + -5r = 0 -1k + kr + -5r = 0 The solution to this equation could not be determined.
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