Solve the System of Linear Equations $\left\{ \begin{array} { r } 5 x + 3 y + 11 z = 37 \\3 y + z = 12 \\5 x + 9 y + 13 z = 61\end{array} \right.$

question 123

Essay

Solve the system of linear equations. $\left\{ \begin{array} { r } 5 x + 3 y + 11 z = 37 \\3 y + z = 12 \\5 x + 9 y + 13 z = 61\end{array} \right.$

---

Definitions:

Fenestration

A surgical procedure that creates a new opening, especially used in reference to procedures involving the ear to improve hearing.

Incus

A small anvil-shaped bone in the middle ear that, along with the malleus and stapes, helps transmit sound vibrations to the inner ear.

Auricle

The external portion of the ear that directs sound waves into the ear canal.

Myringoplasty

A surgical procedure to repair a perforation in the eardrum to improve hearing and prevent water from entering the middle ear.