Solve the System of Equations Using the Addition Method $$\begin{array} { l } x + y + z = - 7 \\x - y + 5 z = - 21 \\4 x + y + z = - 22\end{array}$$

question 68

Multiple Choice

Solve the system of equations using the addition method.
- $$\begin{array} { l } x + y + z = - 7 \\x - y + 5 z = - 21 \\4 x + y + z = - 22\end{array}$$

• A)(-3, -5, 1)
• B)(1, -5, -3)
• C)(-3, 1, -5)
• D)(-5, 1, -3)

Appreciate the complexities of cognitive development in infancy, including perception and learning mechanisms.

Understand the development of self-concept and identity across the lifespan, including influences of culture and physical changes.

Understand and apply the concept of exchange rates in international finance.

Analyze the impact of inflation rates on exchange rates and international project values.

---

Definitions:

Contraindicated

A condition or factor that serves as a reason to withhold a certain medical treatment due to the harm that it would cause the patient.

Leg Trauma

Physical injury or damage to the leg resulting from an external force.

Rhonchi

A coarse, rattling respiratory sound somewhat resembling snoring, usually caused by obstruction or secretion in the larger airways.

Low-pitched

Describes a sound that is deep and has a frequency at the lower end of the hearing range.