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Simplifying 15 + 4k = 7 Solving 15 + 4k = 7 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + 4k = 7 + -15 Combine like terms: 15 + -15 = 0 0 + 4k = 7 + -15 4k = 7 + -15 Combine like terms: 7 + -15 = -8 4k = -8 Divide each side by '4'. k = -2 Simplifying k = -2
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