50 POINT QUESTION, WILL MARK BRAINLIEST TO SOLVE THIS.

Answer:
Step-by-step explanation:
First, bring the one down.
Then, -3*1=-3, so it goes underneath the -13.
Add, -13+(-3)=-16
So, -3*-16=48
Finally, -48+48=0
x-16, (A).
The correct answer for this question would be:
(A) x-16
I hope this helped!