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Simplifying 0.5k + -3.4 = 0.4 Reorder the terms: -3.4 + 0.5k = 0.4 Solving -3.4 + 0.5k = 0.4 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '3.4' to each side of the equation. -3.4 + 3.4 + 0.5k = 0.4 + 3.4 Combine like terms: -3.4 + 3.4 = 0.0 0.0 + 0.5k = 0.4 + 3.4 0.5k = 0.4 + 3.4 Combine like terms: 0.4 + 3.4 = 3.8 0.5k = 3.8 Divide each side by '0.5'. k = 7.6 Simplifying k = 7.6
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