Answer:
i think it might be fact families
Step-by-step explanation:
this is because they use the 3 same #rrs
x + 8 = 22
x = 22 - 8 and 8 = 22 - x
Answer:
x=-2
Step-by-step explanation:
x+6=4
x-6=-6+4
x=-2
9+7=16 and 5+8=13
Hope i helped, please leave a thanks! Thanks!
Umm im gonna guess on this one because im not good at math lol
, 3.58?