Respuesta :

Answer:

x = -1 [tex]\frac{1}{20}[/tex]

Step-by-step explanation:

f([tex]\frac{1}{5}[/tex]) = 120, therefore we can create this equation:

120 = 150 ÷ ([tex]\frac{1}{5}[/tex] - z)

cross-multiply to get: 24 - 120z = 150

-120z = 126

z = -1 [tex]\frac{3}{60}[/tex]

Answer:

z=500

Step-by-step explanation:

since we know that the whole equation is equal to 250, we can substitute values in.

250=150/1/5 -z

250=750-z

-500=-z

z=500