Systems of Linear Equations in Three Variables
1 Verify the Solution

question 260

Multiple Choice

Systems of Linear Equations in Three Variables
1 Verify the Solution of a System of Linear Equations in Three Variables
- $$\begin{array} { l } ( - 1 , - 3,5 ) \\x - y + z = 7 \\x + y + z = 1 \\x + y - z = - 9\end{array}$$

• A) solution
• B) not a solution

---

Definitions:

Technologies

The use of scientific understanding to achieve practical goals, particularly within industrial sectors.

Manager

is a person responsible for controlling or administering all or part of a company or similar organization, often tasked with making decisions and overseeing the work of others.

Receiver

The person who interprets a message.

Communicator

An individual who conveys information or expresses ideas effectively, using verbal, nonverbal, written, and visual methods.