Answer:
Option b is correct.
Explanation:
From the given condition : Seven less than the quotient of a number, x, and twelve is five times the number.
Here, the number is x
The quotient of a number x and twelve is expressed as ,

Seven less than the quotient of a number, x, and twelve is expressed as,

Five times the number mean,

Therefore, we have an equation in the form of x from the given condition as:
.