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Simplifying 85 = 3k + 2 + 20 Reorder the terms: 85 = 2 + 20 + 3k Combine like terms: 2 + 20 = 22 85 = 22 + 3k Solving 85 = 22 + 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. 85 + -3k = 22 + 3k + -3k Combine like terms: 3k + -3k = 0 85 + -3k = 22 + 0 85 + -3k = 22 Add '-85' to each side of the equation. 85 + -85 + -3k = 22 + -85 Combine like terms: 85 + -85 = 0 0 + -3k = 22 + -85 -3k = 22 + -85 Combine like terms: 22 + -85 = -63 -3k = -63 Divide each side by '-3'. k = 21 Simplifying k = 21
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