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Simplifying 7k + -20 = 3k + 16 Reorder the terms: -20 + 7k = 3k + 16 Reorder the terms: -20 + 7k = 16 + 3k Solving -20 + 7k = 16 + 3k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-3k' to each side of the equation. -20 + 7k + -3k = 16 + 3k + -3k Combine like terms: 7k + -3k = 4k -20 + 4k = 16 + 3k + -3k Combine like terms: 3k + -3k = 0 -20 + 4k = 16 + 0 -20 + 4k = 16 Add '20' to each side of the equation. -20 + 20 + 4k = 16 + 20 Combine like terms: -20 + 20 = 0 0 + 4k = 16 + 20 4k = 16 + 20 Combine like terms: 16 + 20 = 36 4k = 36 Divide each side by '4'. k = 9 Simplifying k = 9
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