Multiple Choice

A budget analyst is verifying if the proposed resource allocation (4,−1,−5)(4, -1, -5) is a solution to the following system of cost equations:

{3x+y+z=2x+2y+z=−33x+y+2z=4\left\{\begin{array}{l} 3x + y + z = 2 x + 2y + z = -3 3x + y + 2z = 4 \end{array}\right.

The analyst substitutes the values into the first equation, 3x+y+z=2{} 3x + y + z = 2, and finds that the expression evaluates to 6, resulting in the false statement 6=2{} 6 = 2. Based on the definition of a solution for a system of equations, what is the correct conclu

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Updated 2026-09-19

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