Odpowiedzi

2010-04-13T19:41:28+02:00
(x-3)-(2x)<8
x-3+2x<8
x+2x<3+8
3x<11 |/3
x<11/3
x<3 i 2/3
2010-04-13T19:41:49+02:00
(x-3)-(2x)<8
x-3-2x<8
-x-3<8
x<5