Solve by Substitution

question 32

Multiple Choice

Solve by substitution:

• A) No solution
• B) (5, 4)
• C) (-1, 0)
• D) (2, 2)
• E) Dependent

---

Definitions:

Placebo

A material lacking medicinal impacts, utilized as a comparative standard in evaluating novel medications.

Brain's Release

The process of neurotransmitters being released by neurons in the brain to communicate with each other, influencing mood and behavior.

Endorphins

Natural pain-relieving chemicals produced by the brain in response to stress or discomfort.

Nociceptors

Sensory receptors found throughout the body that respond to potentially damaging stimuli by sending signals to the spinal cord and brain, perceived as pain.