Use row operations on the augmented matrix to solve the given system of linear equations. 
Definitions:
Pressure Point Therapy
A therapeutic technique that involves applying pressure to specific points on the body to relieve pain or promote health.
American Medical Association
A professional association of physicians in the United States aiming to promote the art and science of medicine and the betterment of public health.
Chiropractic Treatment
A healthcare approach focusing on diagnosing, treating, and preventing mechanical disorders of the musculoskeletal system, especially the spine.
20th Century
The period from January 1, 1901, to December 31, 2000, characterized by significant advancements in technology, science, and social movements.
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