Odpowiedzi

2010-03-04T19:20:51+01:00
2(x+2)+10 ≤ x-(2x-3)
2x+4+10 ≤ x-2x+3
2x+2x-x ≤-11
3x ≤ -11
x ≤ -11/3= - 3 i 2/3
2010-03-04T19:22:12+01:00
2(x+2)+10 ≤ x-(2x-3)
2x+4+10≤x-2x+3
2x-x+2x≤3-4-10
3x≤-11 :3
x≤-11/3
x≤-3 2/3
2010-03-04T19:23:55+01:00
2x+4=10≤x-2x+3
3x≤3-10-4
3x≤-11
x≥-3/11