Solve the System of Equations by the Addition Method $\left\{ \begin{array} { l } x + 4 y = - 7 \\9 x + 3 y = 36\end{array} \right.$

question 29

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { l } x + 4 y = - 7 \\9 x + 3 y = 36\end{array} \right.$

• A) \(( - 5 , - 2 )\)
• B) no solution
• C) \(( 4 , - 2 )\)
• D) \(( 5 , - 3 )\)

---

Definitions:

Coronary Heart Disease

A cardiovascular disorder characterized by narrowed arteries that supply blood to the heart, leading to heart attacks and chest pain.

Cardiologists

Medical doctors who specialize in the diagnosis and treatment of heart disease.

Health Disparities

Differences in health and healthcare between groups, often influenced by social, economic, and environmental factors.

African Americans

A term referring to citizens or residents of the United States who have total or partial ancestry from any of the black racial groups of Africa.