Answer:

please check the above attachment. hope this helps you

Answer:

x-y=12

Step-by-step explanation:

x +y=13

x=13-y

xy =6 1/4

xy=25/4

(13-y)y=25/4

13y-y^2=25/4

y^2-13y+25/4=0

y=25/2 or y=1/2

x=13-y

x=13-1/2

x=25/2

if we take y=25/2 then x=1/2

Now x-y=25/2-1/2

x-y=24/2

x-y=12