Solve the System Using Gaussian Elimination or Gauss-Jordan Elimination $$\begin{array} { l } 5 x + 9 z = - 16 + 6 y \\8 x = 7 y + 7 z - 141 \\8 z = - 2 y - 2 x + 42\end{array}$$

question 125

Multiple Choice

Solve the system using Gaussian elimination or Gauss-Jordan elimination.
- $$\begin{array} { l } 5 x + 9 z = - 16 + 6 y \\8 x = 7 y + 7 z - 141 \\8 z = - 2 y - 2 x + 42\end{array}$$

• A) \(\{ ( 5 , - 8,6 ) \}\)
• B) \(\{ ( 5,8 , - 6 ) \}\)
• C) \(\{ ( 8 , - 5,6 ) \}\)
• D) \(\{ ( - 8,5,6 ) \}\)

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Groundwater

Subsurface water occupying the saturation zone of soils and rocks, acting as a critical source of drinking water and agricultural irrigation.

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A sudden failure or downfall, often used to describe the breakdown of societies, economies, or structures due to various stresses or catastrophic events.

Cavern

A large, naturally occurring underground chamber or series of chambers created by the weathering of rock, often found in limestone regions.