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Simplifying 3(3k + -7) + -8 = 0 Reorder the terms: 3(-7 + 3k) + -8 = 0 (-7 * 3 + 3k * 3) + -8 = 0 (-21 + 9k) + -8 = 0 Reorder the terms: -21 + -8 + 9k = 0 Combine like terms: -21 + -8 = -29 -29 + 9k = 0 Solving -29 + 9k = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '29' to each side of the equation. -29 + 29 + 9k = 0 + 29 Combine like terms: -29 + 29 = 0 0 + 9k = 0 + 29 9k = 0 + 29 Combine like terms: 0 + 29 = 29 9k = 29 Divide each side by '9'. k = 3.222222222 Simplifying k = 3.222222222
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