Answer:
(E) 9
Step-by-step explanation:
I found what numbers worked in all three cases. I found that when a = 4 b = 5 c = 0, all of the equations were satisfied.
Equation 1 4 + 5 = 9
Equation 2 4 + 0 = 4
Equation 3 5 + 0 = 5
Also, a + b+ c or 4 + 5 + 0 = 9
If these answers are correct, please make me Brainliest!
