Respuesta :

Step-by-step explanation:

x-5y-1 =0 (1)

5x-10y-20=0 (2)

x=5y+1. (3)

(3) in (2)

5(5y+1) - 10y-20= 0

25y+5-10y-20=0

15y=15

y=1

x= 5(1)+1

= 6

x=6,y=1