Solve the System of Linear Equations Using Matrices $$\left\{ \begin{array} { r r } 2 x - 8 y - z = & - 20 \\x - 7 y + 6 z = & 17 \\6 x + y + z = & 64\end{array} \right.$$

question 19

Multiple Choice

Solve the system of linear equations using matrices.
- $$\left\{ \begin{array} { r r } 2 x - 8 y - z = & - 20 \\x - 7 y + 6 z = & 17 \\6 x + y + z = & 64\end{array} \right.$$

• A) \(( 9,6,4 )\)
• B) \(( - 9,4,18 )\)
• C) \(( 9,4,6 )\)
• D) \(\varnothing\)

---

Definitions:

Frames

Conceptual structures used to perceive, understand, and interpret information or situations.

Bargaining Mix

The combination of issues, interests, and objectives that each party brings to a negotiation process.

Stock Issues

represents fundamental areas of concern or points of debate in argumentation and debate, often needing to be addressed to effectively support a position.

Cognitive Biases

Systematic patterns of deviation from norm or rationality in judgment, whereby inferences about other people and situations may be drawn in an illogical fashion.