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a fost răspuns

Stiind ca x/y =3/2 aflati 2x + 3y/7x-4y.

Răspuns :

Dianageorgiana794

Răspuns:

x/y=3/2=>x=3y/2

(2x + 3y)/(7x-4y)=

(6y/2+²⁾3y)/(21y/2-²⁾4y)=

(6y+6y)/(21y-8y)=

12y/13y=

12/13