Answer:
Option 2nd is correct

Explanation:
Let two consecutive integers are x and x+1
As per the statement:
The sum of two consecutive integers is 113
⇒
⇒x+x+1=113 ....[1]
Like terms are those which have same variable to the same power.
Combine like terms in [1] we have;

Therefore, the following equations could be used to solve the problem is,
