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Simplifying 7k + 35 = 21 Reorder the terms: 35 + 7k = 21 Solving 35 + 7k = 21 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-35' to each side of the equation. 35 + -35 + 7k = 21 + -35 Combine like terms: 35 + -35 = 0 0 + 7k = 21 + -35 7k = 21 + -35 Combine like terms: 21 + -35 = -14 7k = -14 Divide each side by '7'. k = -2 Simplifying k = -2
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