Solve the System of Equations by Substitution

question 125

Multiple Choice

Solve the system of equations by substitution.
-9x + y = 0 -9x + y = -18

• A)(-1, 9)
• B)(1, -9)
• C)(-1, -9)
• D)(1, 18)

---

Definitions:

American Beer

Typically refers to beer produced in the United States, often characterized by a lighter lager style but also includes a wide variety of craft brews.

Factor Endowments

The quantity and quality of labor, land, and capital that a country possesses, influencing its economic productivity.

Labor

The application of human physical and intellectual labor in the manufacture and provision of goods and services.

Natural Resources

Materials or substances such as minerals, forests, water, and fertile land that exist in nature and can be used for economic gain.