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Simplifying 7k = 4 + -7 Combine like terms: 4 + -7 = -3 7k = -3 Solving 7k = -3 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Divide each side by '7'. k = -0.4285714286 Simplifying k = -0.4285714286

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