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Simplifying 5k + -20 = 13 + 2k Reorder the terms: -20 + 5k = 13 + 2k Solving -20 + 5k = 13 + 2k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-2k' to each side of the equation. -20 + 5k + -2k = 13 + 2k + -2k Combine like terms: 5k + -2k = 3k -20 + 3k = 13 + 2k + -2k Combine like terms: 2k + -2k = 0 -20 + 3k = 13 + 0 -20 + 3k = 13 Add '20' to each side of the equation. -20 + 20 + 3k = 13 + 20 Combine like terms: -20 + 20 = 0 0 + 3k = 13 + 20 3k = 13 + 20 Combine like terms: 13 + 20 = 33 3k = 33 Divide each side by '3'. k = 11 Simplifying k = 11
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