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Simplifying 7 = 8 + 0.3k Solving 7 = 8 + 0.3k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-0.3k' to each side of the equation. 7 + -0.3k = 8 + 0.3k + -0.3k Combine like terms: 0.3k + -0.3k = 0.0 7 + -0.3k = 8 + 0.0 7 + -0.3k = 8 Add '-7' to each side of the equation. 7 + -7 + -0.3k = 8 + -7 Combine like terms: 7 + -7 = 0 0 + -0.3k = 8 + -7 -0.3k = 8 + -7 Combine like terms: 8 + -7 = 1 -0.3k = 1 Divide each side by '-0.3'. k = -3.333333333 Simplifying k = -3.333333333
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