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Simplifying 20k + 90 = 3k Reorder the terms: 90 + 20k = 3k Solving 90 + 20k = 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. 90 + 20k + -3k = 3k + -3k Combine like terms: 20k + -3k = 17k 90 + 17k = 3k + -3k Combine like terms: 3k + -3k = 0 90 + 17k = 0 Add '-90' to each side of the equation. 90 + -90 + 17k = 0 + -90 Combine like terms: 90 + -90 = 0 0 + 17k = 0 + -90 17k = 0 + -90 Combine like terms: 0 + -90 = -90 17k = -90 Divide each side by '17'. k = -5.294117647 Simplifying k = -5.294117647
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