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Simplifying 99 + 9k = 9k + -27 Reorder the terms: 99 + 9k = -27 + 9k Add '-9k' to each side of the equation. 99 + 9k + -9k = -27 + 9k + -9k Combine like terms: 9k + -9k = 0 99 + 0 = -27 + 9k + -9k 99 = -27 + 9k + -9k Combine like terms: 9k + -9k = 0 99 = -27 + 0 99 = -27 Solving 99 = -27 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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