Respuesta :

Answer:

z=0

Step-by-step explanation:

2/2-z = 3/3-z

2/2 = 3/3

1=1

Answer:

Step-by-step explanation:

2/2-z = 3/3-z

means : 3(2-z) = 2(3-z)

6-3z = 6-2z

-3z +2z = 0

-z = 0   so z=0