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
So what even is this make it shorter and I should be able to answer it
A. -1.3
B. 4.5
C. -5.4
D. 3.1
Answer:
×
Step-by-step explanation:
There is 2 of the same number 6 and there is 4 of the number 4
I hope this helps