Relax

Respuesta :

The answers are D and E

Step by step:
A) 4-c=5 C=4-5=-1
B) 20=14+c. C=20-14=6
C) 15=c-6. C=15+6=21
D) c/3=3. C= 3*3=9
E) 36=4c c=36/4=9