Write the Sentence as an Equation or Inequality $21 - x = 36$

question 209

Multiple Choice

Write the sentence as an equation or inequality. Use x to represent any unknown number.
-The sum of 21 and a number is 36.

• A) \(21 - x = 36\)
• B) \(36 + 21 = x\)
• C) \(21 = 36 + x\)
• D) \(21 + x = 36\)

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Definitions:

Interneurons

Structures found only in the central nervous system that link sensory and motor neurons together.

Efferent nerves

Nerves that carry signals away from the central nervous system to effectors like muscles and glands, facilitating action and response.

Afferent nerves

Nerves that carry sensory signals from the body's periphery toward the central nervous system.

Synaptic knob

The bulbous end of a nerve fiber where neurotransmitters are stored before being released into the synaptic cleft to transmit nerve impulses.