Respuesta :

Answer:

(3,1/2)

Step-by-step explanation:

Cancel out the 2y's because they are opposite signs.

x+2y=4

2x-2y=5

x=4

2x=5

Add the equations vertically

3x=9

divide by 3,

x=3

Plug x into one of the equations.

3+2y=4

Subtract 3

2y=1

divide by 2

y=1/2