Respuesta :

Answer:

-5x + 3

Step-by-step explanation:

f(x) = (3 - x)/5

f(x) = y

y = (3 - x)/5

Multiply both sides by 5.

5y = 3 - x

Subtract 3 from both sides.

5y - 3 = - x

Multiply both sides by -1.

-5y + 3 = x

Switch variables.

-5x + 3 = y

Answer:-6

Step-by-step explanation: