Given:
The equation is:

To find:
The value of a.
Solution:
We have,

On simplification, we get




On comparing both sides, we get




And,




Therefore, the value of a is 2.
Remember to incorporate Bimdas, into you calculation and ensure where the addition and subtraction occur you work from left to right.
Answer:
The answer is 9x-4/(x+2)(x-2)
8/15 is about 0.53
It would be closer to 1/2 or 1 over 2