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Simplifying 1 + -7k + 5 = -19 Reorder the terms: 1 + 5 + -7k = -19 Combine like terms: 1 + 5 = 6 6 + -7k = -19 Solving 6 + -7k = -19 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -7k = -19 + -6 Combine like terms: 6 + -6 = 0 0 + -7k = -19 + -6 -7k = -19 + -6 Combine like terms: -19 + -6 = -25 -7k = -25 Divide each side by '-7'. k = 3.571428571 Simplifying k = 3.571428571
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