ria2389
ria2389 ria2389
  • 29-04-2019
  • Mathematics
contestada

Plz help me with this

Plz help me with this class=

Respuesta :

tramserran
tramserran tramserran
  • 29-04-2019

Answer:  (3, -1)

Step-by-step explanation:

Add the equations to eliminate y:

   x - y = 4

   x + y = 2

 2x      = 6

÷2         ÷2

   x     =  3

Substitute x = 3 into either of the equations to solve for y:

x + y = 2

3 + y = 2

    y = -1

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