Respuesta :

Answer:

z / 3 = 2z / 6

1 / 2 = 3 / 6

( 3 + 2z ) / 6 = 5 /2

5 / 2 = 15 / 6

3 + 2z / 6 = 15 / 6

3 + 2z = 15

2z = 12

z = 6

ACCESS MORE