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Simplifying 20 + k = 7k Solving 20 + k = 7k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-7k' to each side of the equation. 20 + k + -7k = 7k + -7k Combine like terms: k + -7k = -6k 20 + -6k = 7k + -7k Combine like terms: 7k + -7k = 0 20 + -6k = 0 Add '-20' to each side of the equation. 20 + -20 + -6k = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -6k = 0 + -20 -6k = 0 + -20 Combine like terms: 0 + -20 = -20 -6k = -20 Divide each side by '-6'. k = 3.333333333 Simplifying k = 3.333333333
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