Respuesta :

1/4 z + 8 = 12
1/4 z = 12-8 = 4
Z= 4 divided by 1/4 = 16

Answer:

Step-by-step explanation:

1/4 z+8=15

1/4z +8-8 =15-8

1/4 z = 7

divid by 1/4 : z = 28