True/False

A logistics coordinator is verifying whether the resource allocation triple (4,3,4)(-4, -3, 4) satisfies the following system of linear constraints:

{xy+z=22xyz=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: If substituting the triple (4,3,4)(-4, -3, 4) into the first constraint equation (xy+z=2x - y + z = 2) results in a false mathematical statement (such as 3=2{}3 = 2), the coordinator can definitively conclude that the triple is not a solution to the entire system without testing the remaining two equations.

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Updated 2026-05-21

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