Solve the Equation and Check the Result $\frac { 7 } { 25 } - \frac { 1 } { 5 } = \frac { 1 } { b }$

question 222

Essay

Solve the equation and check the result. If the equation has no solution, answer none . $\frac { 7 } { 25 } - \frac { 1 } { 5 } = \frac { 1 } { b }$

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Definitions:

Nicotinic Receptors

A type of acetylcholine receptor that is stimulated by nicotine and found at neuromuscular junctions.

Adrenal Medulla

The core section of the adrenal gland responsible for generating adrenaline and noradrenaline, which are essential hormones for reacting to stress.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight-or-flight response, affecting heart rate and blood pressure.

Muscarinic Receptors

A type of acetylcholine receptor found predominantly in the central and peripheral nervous systems, playing a key role in the parasympathetic nervous system.