Solve the System Using Gaussian Elimination $( x , y )$

question 6

Multiple Choice

Solve the system using Gaussian elimination. If $( x , y )$ is the solution to the system, give the value of $2 x - y$ .
$$\left\{ \begin{array} { c } x + y = 23 \\x - 2 y = - 13\end{array} \right.$$

• A) \(\quad 10\)
• B) 13
• C) \(\quad 7\)
• D) \(\quad 8\)
• E) \(\quad 9\)

Understand how emotions can prompt or deter health-promoting behaviors.

Realize the importance of emodiversity and how a variety of emotions contributes to well-being.

Recognize the dual role of emotions in both promoting and testing interpersonal relationships.

Understand the concept of the affect-as-information hypothesis.

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Definitions:

Petty Cash

A small amount of cash on hand used for minor, incidental expenses of a business to avoid writing checks.

Cash Over and Short

An accounting line item that indicates the discrepancies between the amount of cash in the register and the amount of cash according to the accounting records.

Journal Entry

A record of financial transactions in the accounting system, showing accounts affected, amounts, and whether those accounts are debited or credited.

Petty Cash Account

A modest sum of money maintained readily available for covering various minor outlays instantly.