True/False

A supply chain analyst is checking an inventory allocation model described by the variables xx, yy, and zz. The model is governed by the following system of equations:

{x−y+z=22x−y−z=−62x+2y+z=−3\left\{\begin{array}{l} x - y + z = 2 2x - y - z = -6 2x + 2y + z = -3 \end{array}\right.

True or False: When the analyst tests the specific allocation (−2,−1,3)(-2, -1, 3) by substituting x=−2x = -2, y=−1y = -1, and z=3z = 3 into each equation, all three substitutions result in true mathematical statements, confirming this alloc

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Updated 2026-09-18

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