determinagi x/y daca 3x-2y/4x-y=3/7
cat de repede!!

Răspuns:
Explicație pas cu pas:
(3x-2y)/(4x-y)=3/7 ⇒notam x/y=t
(3x/y-2)/(4x/y-1)=3/7 ⇒7(3t-2)=3(4t-1)
21t-14=12t-3 ⇒9t=14-3 ⇒t=11/9
x/y=11/9