Answer:
y=-3
x=2
Explanation:
First substitute 2y+8 for x in the equation: 2x-5y=19.
2(2y+8)-5y=19
4y+16-5y=19
-16 -16
4y-5y=3
Combine.
-y=3
Divide.
y=-3
Then, substitute -3 for y in the equation 2y+8, because x=2y+8.
x=2(-3)+8
x=-6+8
x=2
Should be correct! (Unless I made a simple math mistake.)