Multiple Choice

An operations manager is comparing two production schedules to see if they will ever yield the exact same output. The comparison is modeled by the linear equation 5m+3(9+3m)=2(7m−11){}5m + 3(9 + 3m) = 2(7m - 11). Upon simplifying both sides to 14m+27=14m−22{}14m + 27 = 14m - 22 and subtracting 14m{}14m from both sides, the manager is left with the false statement 27=−22{}27 = -22. How is this type of equation formally classified?

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Updated 2026-09-19

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