Answer:
>>> a = -55
Explanation:
Given Equation ,
We have to find ,
Solution :

or , we can write it as :

Step 1 : Subtracting 2 on both sides :

We get ,

Step 2 : Multiplying both sides with 11 :

We have ,

- Therefore, value of a is "-55".
Verification :-
For verifying our answer we have to substitute value of a in given equation and after solving it if Left side is equal to Right side then we can say that our answer is correct.

Substituting value of a as -55 :





- Therefore, answer is correct.
Hope, it'll help you!! :)