I’m not sure if this is correct but here is a picture of what I think the answer might be. P.S my handwriting is not neat
Answer:
113
Step-by-step explanation:

(n-1)+n+(n+1)
With n as the middle of 3 integers, n-1 is the integer just before n and n+1 is the integer just after n.
Answer:

Step-by-step explanation:
84/4=21
Square root of 4=2

x - 14 would be the equation
Does this help? Not really sure what you are asking.