Respuesta :

Answer:

variables

Step-by-step explanation:

Given function:

  • 2x-y=1

This means:

  • to find x and y
  • to find what x and y means

x and y:

  • x and y can be anything..its just variables.
  • for this equation x can be 1 and y can be 1 also..
  • 2·1=2-1=1

Therefore, x and y both equals to 1 and x and y are both variables.