Solve the System of Equations Using the Addition Method

question 79

Multiple Choice

Solve the system of equations using the addition method.
-2x - 2y = 9 10x - 10y = 18

---

Definitions:

Grades

Levels of quality or performance, often used to categorize or rank things such as academic results or material purity.

Employers

Individuals or organizations that hire and pay employees for their labor.

Educational Level

The highest degree or level of school completed, often influencing employment opportunities, income potential, and social status.

High-Productivity People

Individuals who are able to produce a significant amount of output or work efficiently within a shorter period compared to others.