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Simplifying 9k + 8 + -7r = 0 Reorder the terms: 8 + 9k + -7r = 0 Solving 8 + 9k + -7r = 0 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 + 9k + -8 + -7r = 0 + -8 Reorder the terms: 8 + -8 + 9k + -7r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 9k + -7r = 0 + -8 9k + -7r = 0 + -8 Combine like terms: 0 + -8 = -8 9k + -7r = -8 Add '7r' to each side of the equation. 9k + -7r + 7r = -8 + 7r Combine like terms: -7r + 7r = 0 9k + 0 = -8 + 7r 9k = -8 + 7r Divide each side by '9'. k = -0.8888888889 + 0.7777777778r Simplifying k = -0.8888888889 + 0.7777777778r
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