Răspunsuri

2014-07-18T14:22:52+03:00
X=2y/3

[2*  2y/3 +5y/( 3 *2y/3)+8y]= (4y/3 + 5y/2y +8y)=

=(4y/3 +5/2 +8y)   aducem la acelasi numitor

(8y+15+48y)/6= 56y/6 +15/6= 28y/3 +5/2