Solve the System by the Addition Method $$\left\{ \begin{array} { l } 7 x + 5 y = - 20 \\3 x + 3 y = - 12\end{array} \right.$$

question 95

Multiple Choice

Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set
notation to express the solution set.
- $$\left\{ \begin{array} { l } 7 x + 5 y = - 20 \\3 x + 3 y = - 12\end{array} \right.$$

• A) \(\{ ( - 1 , - 3 ) \}\)
• B) \(\{ ( 0 , - 3 ) \}\)
• C) no solution; \(\varnothing\)
• D) \(\{ ( 0 , - 4 ) \}\)

---

Definitions:

Short-Term Investments

Short-term investments are financial assets that are expected to be converted into cash within one year and are typically used by firms to manage surplus cash efficiently.

Current Receivables

Short-term financial assets that are due to be received within one year, typically from customers who owe the company money for goods or services provided.

Quick Ratio

A liquidity measure that indicates a company's ability to cover its short-term liabilities with its most liquid assets, excluding inventory.

Quick Assets

Highly liquid assets that can be quickly converted into cash without losing value, often including cash, marketable securities, and accounts receivable.