Răspunsuri

2014-09-13T14:35:12+03:00
9/9 +x =9/6  aducem la acelasi numitor

18+18x=27

18x=27-18

18x=9

x=9/18=1/2
2014-09-13T14:37:07+03:00
9supra9+x=9supra6
1+x=9supra6
aducem la acelasi numitor
6(1+x)=9
6+6x=9
6x=9-6
6x=3
x=3supra6=1supra2