Solve the Pair of Linear Equations by Addition $\begin{array} { l } 4 x + 9 y = 12 \\9 x - 4 y = 27\end{array}$

question 90

Essay

Solve the pair of linear equations by addition. $\begin{array} { l } 4 x + 9 y = 12 \\9 x - 4 y = 27\end{array}$

---

Definitions:

Cause-And-Effect Analysis

A method used to identify the underlying causes of a problem or event by examining the relationship between actions and outcomes.

Fishbone Diagram

A visual tool used for identifying and organizing the potential causes of a problem in a structured format, often resembling the shape of a fish skeleton.

Kaizen

A Japanese term for 'continuous improvement,' focusing on incremental changes in processes to enhance efficiency and quality.

Total Quality Management (TQM)

A comprehensive management approach that focuses on continuous quality improvement of products and services by involving all members of an organization.