From my work I believe it should be the third one.
One reason would be if you did not know the answer so you could do
4-5=x
another reason would be if the problem gave you the answer but not one of the things to get the answer
4-x=-1
not sure if that is what you want but I hope this helped
Answer:
-22 + (-16)= -38
Step-by-step explanation:
