Answer:
(3,-4)
Step-by-step explanation:
x-2y=5
x-4y+4y=19+4y
x=19+4y
substitue x
-(19+4y)-2y=5
-19-4y-2y=5
-19-6y=5
-6y=5+19
-6y=24
divide by 6 in both sides
y=-4
find Y now
x=19+4(-4)
x=19-16
x=3
