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Simplifying -7k + -8 + 4k = -30 Reorder the terms: -8 + -7k + 4k = -30 Combine like terms: -7k + 4k = -3k -8 + -3k = -30 Solving -8 + -3k = -30 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -3k = -30 + 8 Combine like terms: -8 + 8 = 0 0 + -3k = -30 + 8 -3k = -30 + 8 Combine like terms: -30 + 8 = -22 -3k = -22 Divide each side by '-3'. k = 7.333333333 Simplifying k = 7.333333333
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