Răspuns :
3y-5x/3y-4x=6/7
(3y-5x)*7=(3y-4x)*6
21y-35x=18y-24x
21y-18y=35x-24x
3y=11x⇒x/y=3/11
(3y-5x)*7=(3y-4x)*6
21y-35x=18y-24x
21y-18y=35x-24x
3y=11x⇒x/y=3/11