Short Answer

Reduced Two-Variable System in Route Optimization

A logistics coordinator models delivery routes using three variables: xx (driver hours), yy (fuel in gallons), and zz (maintenance units). The system of linear equations representing the operational constraints is:

{4x3z=53y+2z=73x+4y=6\left\{\begin{array}{l} 4x - 3z = -5 3y + 2z = 7 3x + 4y = 6 \end{array}\right.

Following the standard elimination procedure for this specific system, the variable zz is eliminated from the first two equations to produce the equation 8x+9y=11{}8x + 9y = 11.

Recall the next step in the standard procedure. When you bring this newly obtained equation together with the unused third equation from the original system, what is the resulting localized system of two-variable equations? Write down the system clearly.

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Updated 2026-06-02

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