Respuesta :

mathstudent55

Answer:

z = 1

Step-by-step explanation:

12 = 15(z - 1/5)

12/15 = z - 1/5

4/5 = z - 1/5

z = 1

sxnjxnx07

Answer:

z = 1

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

12 = 15(z - 1/5)

12/15 = z - 1/5

4/5 = z - 1/5

z = 1

(P.S I did the khan academy)