Solve the System Using Gaussian Elimination $$\left\{ \begin{array} { l } x + y = - 2 \\x + z = - 4 \\y + z = - 4\end{array} \right.$$

question 3

Multiple Choice

Solve the system using Gaussian elimination. $$\left\{ \begin{array} { l } x + y = - 2 \\x + z = - 4 \\y + z = - 4\end{array} \right.$$

• A) \(( 1,1,3 )\)
• B) \(( - 1 , - 1 , - 3 )\)
• C) \(( 1,1 , - 3 )\)
• D) \(( 1 , - 1 , - 3 )\)
• E) \(( - 1,1 , - 3 )\)

---

Definitions:

Joint Ventures

Business agreements between two or more entities to undertake a specific project or business activity together.

Retains

From a legal perspective, it refers to keeping possession or continuing to have an attribute, quality, or condition.

Business Activity

Any effort made by people or businesses related to the creation, distribution, or trading of products and services.

Substantially All

A term typically used in legal and financial contexts to indicate a very large portion, often approaching totality, of an asset, entity, or other specified quantity.