Solve the System of Equations Using the Addition Method

question 53

Multiple Choice

Solve the system of equations using the addition method.
-8x - 5y = 5 -16x + 10y = -20

• A) (2, 4)
• C) (8, 5)
• D) no solution

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Definitions:

N3 Sleep

The deepest stage of non-REM sleep, characterized by slow brain waves and known to be crucial for memory consolidation and physical restoration.

Circadian Rhythm

The physical, mental, and behavioral changes that follow a 24-hour cycle, primarily responding to light and darkness in an organism's environment.

Hypnagogic Sensations

Experiences occurring at the onset of sleep, characterized by vivid and surreal hallucinations.

REM Rebound

The phenomenon of increased REM (Rapid Eye Movement) sleep, which occurs after periods of REM sleep deprivation, often resulting in more vivid dreams.