Respuesta :

Answer:

15

Step-by-step explanation:

9x - 3 = [tex]\frac{(5x + 1) +19}{2}[/tex]

2(9x - 3) = 5x + 1 + 19

18x - 6 = 5x + 20

13x = 26

x = 2

GH = 9(2) - 3 = 15