Find the value of x and y.

Answer:
x = 21, y = 25
Step-by-step explanation:
DEFG is a parallelogram.
Diagonals of a parallelogram bisects each other.
[tex]x - 2 = 19 \\ x = 19 + 2 \\ \huge \: \red{ \boxed{x = 21}} \\ \\ y + 1 = 26 \\ y = 26 - 1 \\ \huge \: \purple{ \boxed{y = 25}}[/tex]