Answer: Option D.
Explanation:
The expressions of boths sides of the equation must have the same value Or, in other words, if we call the expresion on the left side of the equation A, and the expression on the right side of the equation B, then:

Keeping the above on mind, you can see that 5 and 11 are not equal, then:
5≠11
The correct value of s is:

Substituting:
