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Simplifying 2k + -7 = 12 Reorder the terms: -7 + 2k = 12 Solving -7 + 2k = 12 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 2k = 12 + 7 Combine like terms: -7 + 7 = 0 0 + 2k = 12 + 7 2k = 12 + 7 Combine like terms: 12 + 7 = 19 2k = 19 Divide each side by '2'. k = 9.5 Simplifying k = 9.5
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