Răspunsuri

2014-04-27T15:25:33+03:00
3x+9>=6x+6
3x-6x>=6-9
-3x>=-3 / *(-3)
x<=1
x =(- infinit , 1]
2014-04-27T15:34:09+03:00
3x+9>(3x+3)6. 3x+9>18x+18. 3x-18x<18-9. 15x=9 x=9/15. x=3/5