Answer:
The value of the x is 1/9.
Step-by-step explanation:
Data provided in the question is:

To find out:-
the value of x.
Solution for the equation:-

On solving the given question or equation by using mathematics of algebra we find out the value of x to be 1/9.
Regular is
$97.99 after sale price is 83.30
97.99- 83.30= 14.69 is the discount
You can do it same way with B C and D