Respuesta :

Answer:

9.  y = 8

10.  n = 21

11.  44 = v

12.  c = 35

Step-by-step explanation:

9.   9y = 72

Divide each side by 9

9y/9 = 72/9

y = 8

10.  3n = 63

Divide each side by 3

3n/3 = 63/3

n = 21

11.  4 = v/11

Multiply each side by 11

4*11 = v/11*11

44 = v

12.  c/7 = 5

Multiply each side by 7

c/7*7 = 5*7

c = 35

y=8
n=21
v=44
c=35

hope that helps