Respuesta :

mhanifa

Answer:

  • 2

Step-by-step explanation:

Given

Equations

  • 5x+2y=7
  • x+y=5

To find

  • The value of 4x + y

Solution

Subtract the second equation from the first one side-by-side:

  • 5x + 2y - (x+ y) = 7 - 5
  • 5x - x + 2y - y = 2
  • 4x + y = 2

The answer is 2