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Simplifying -20 + 7k = 8k Solving -20 + 7k = 8k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-8k' to each side of the equation. -20 + 7k + -8k = 8k + -8k Combine like terms: 7k + -8k = -1k -20 + -1k = 8k + -8k Combine like terms: 8k + -8k = 0 -20 + -1k = 0 Add '20' to each side of the equation. -20 + 20 + -1k = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -1k = 0 + 20 -1k = 0 + 20 Combine like terms: 0 + 20 = 20 -1k = 20 Divide each side by '-1'. k = -20 Simplifying k = -20
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