Answer:


Explanation:
Given equation :-

We need to find the value of x.
Solution :-

As we know that "-'' and "-" equals to "+".
So rewrite "-(-x) as "+x".

This equation may be rewritten as,



First, simplify the LHS :-


Now, Simplify The RHS :-

Hence, the value of x is :

Option H is correct!
Let's check whether the equation is TRUE or NOT.
So for that we need to plug the value of x we got on this equation :-





Add 5.47 and 3.77 which results to :-


HENCE,this equation is TRUE.
We are done!
______________________________________
I hope this helps!