Solve the System of Linear Equations Using Matrices $$\left\{ \begin{array} { r } - x + y = 3 \\- 3 x + y = 7\end{array} \right.$$

question 97

Multiple Choice

Solve the system of linear equations using matrices.
- $$\left\{ \begin{array} { r } - x + y = 3 \\- 3 x + y = 7\end{array} \right.$$

• A) \(( 1 , - 2 )\)
• B) \(( 2 , - 1 )\)
• C) \(( - 2,1 )\)
• D) \(\varnothing\)

---

Definitions:

Ethical Conduct

Adherence to moral principles and standards of behavior in professional and personal actions.

Moral Principles

Fundamental guidelines for conduct that distinguish right from wrong, often based on cultural, philosophical, or religious beliefs.

Leader's Actions

refer to the behaviors, decisions, and measures taken by someone in a leadership position, which can significantly impact an organization or group's direction and success.

Guidelines for Ethics

Established principles that dictate appropriate behavior and actions within a specific context or profession.