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Simplifying 7 + 7k = 3 + 8k Solving 7 + 7k = 3 + 8k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-8k' to each side of the equation. 7 + 7k + -8k = 3 + 8k + -8k Combine like terms: 7k + -8k = -1k 7 + -1k = 3 + 8k + -8k Combine like terms: 8k + -8k = 0 7 + -1k = 3 + 0 7 + -1k = 3 Add '-7' to each side of the equation. 7 + -7 + -1k = 3 + -7 Combine like terms: 7 + -7 = 0 0 + -1k = 3 + -7 -1k = 3 + -7 Combine like terms: 3 + -7 = -4 -1k = -4 Divide each side by '-1'. k = 4 Simplifying k = 4
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