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In a corporate resource planning model, a system of three equations represents weekly production constraints:

{x−y+z=22x−y−z=−62x+2y+z=−3\begin{cases} x - y + z = 2 2x - y - z = -6 2x + 2y + z = -3 \end{cases}

An analyst is testing two proposed resource allocations: Profile A is (−2,−1,3)(-2, -1, 3) and Profile B is (−4,−3,4)(-4, -3, 4). Upon substituting the values into the system, the analyst finds that Profile A makes all three equations true. For Profile B, the first equation yields −4−(−3)+4=3-4 - (-3) + 4 = 3, which is false bec

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Updated 2026-09-19

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