Respuesta :

1/2z + 6 = 3/2 x (z + 6)
1/2z + 6 = 3/2z + 9
z + 12 = 3z + 18
z - 3z = 18 - 12
-2z = 6
z = -3
let me know if you need an explanation of how i got each step
:)