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Simplifying 4k + -12 = 3k + 3 Reorder the terms: -12 + 4k = 3k + 3 Reorder the terms: -12 + 4k = 3 + 3k Solving -12 + 4k = 3 + 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. -12 + 4k + -3k = 3 + 3k + -3k Combine like terms: 4k + -3k = 1k -12 + 1k = 3 + 3k + -3k Combine like terms: 3k + -3k = 0 -12 + 1k = 3 + 0 -12 + 1k = 3 Add '12' to each side of the equation. -12 + 12 + 1k = 3 + 12 Combine like terms: -12 + 12 = 0 0 + 1k = 3 + 12 1k = 3 + 12 Combine like terms: 3 + 12 = 15 1k = 15 Divide each side by '1'. k = 15 Simplifying k = 15
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