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Simplifying 30k + 100k = 20k + 140 Combine like terms: 30k + 100k = 130k 130k = 20k + 140 Reorder the terms: 130k = 140 + 20k Solving 130k = 140 + 20k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-20k' to each side of the equation. 130k + -20k = 140 + 20k + -20k Combine like terms: 130k + -20k = 110k 110k = 140 + 20k + -20k Combine like terms: 20k + -20k = 0 110k = 140 + 0 110k = 140 Divide each side by '110'. k = 1.272727273 Simplifying k = 1.272727273
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