Solve the System of Equations

question 9

Short Answer

Solve the system of equations.
-x + 5y - 3z = 31
-4x - 5y + 4z = 6
3x - 15y + 9z = -91

---

Definitions:

Teres Major

A muscle of the upper limb that acts on the shoulder joint, assisting in the rotation and adduction of the arm.

Teres Major

The teres major is a muscle located in the upper arm that helps in rotating the arm inward and also assists in drawing the arm toward the body.

Ventral Surface

The front or anterior surface of the body, opposite to the dorsal surface.

Pectoralis Group

A group of muscles located in the chest, responsible for various movements of the shoulder joint, including flexion, adduction, and internal rotation.