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
