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Simplifying 50k + 90 = 50k + 120 Reorder the terms: 90 + 50k = 50k + 120 Reorder the terms: 90 + 50k = 120 + 50k Add '-50k' to each side of the equation. 90 + 50k + -50k = 120 + 50k + -50k Combine like terms: 50k + -50k = 0 90 + 0 = 120 + 50k + -50k 90 = 120 + 50k + -50k Combine like terms: 50k + -50k = 0 90 = 120 + 0 90 = 120 Solving 90 = 120 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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