The first one
1 because if your see it on the scale it shows -2 and 2 then add that up there you go
The answer would be 16x^4
A + 4 = 8
a = 4
Can you add anything else to 4 to get 8? No.
4 - m = 2
-m = -2
m = 2
Can you subtract anything besides 2 from 4 to get 2? No.
So the statements are always true.
