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Simplifying 4 + 2k + 45 = 180 Reorder the terms: 4 + 45 + 2k = 180 Combine like terms: 4 + 45 = 49 49 + 2k = 180 Solving 49 + 2k = 180 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-49' to each side of the equation. 49 + -49 + 2k = 180 + -49 Combine like terms: 49 + -49 = 0 0 + 2k = 180 + -49 2k = 180 + -49 Combine like terms: 180 + -49 = 131 2k = 131 Divide each side by '2'. k = 65.5 Simplifying k = 65.5
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