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Simplifying -7 = 3k + -30 Reorder the terms: -7 = -30 + 3k Solving -7 = -30 + 3k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-3k' to each side of the equation. -7 + -3k = -30 + 3k + -3k Combine like terms: 3k + -3k = 0 -7 + -3k = -30 + 0 -7 + -3k = -30 Add '7' to each side of the equation. -7 + 7 + -3k = -30 + 7 Combine like terms: -7 + 7 = 0 0 + -3k = -30 + 7 -3k = -30 + 7 Combine like terms: -30 + 7 = -23 -3k = -23 Divide each side by '-3'. k = 7.666666667 Simplifying k = 7.666666667
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