Răspunsuri

2014-05-17T16:50:14+03:00
-4x≥ -10  / . (-1)
4x ≤ 10
x ≤ 10/4
x ≤ 5/2
2014-05-17T16:50:32+03:00
-4x ≥ -10
4x ≤10
x ≤10/4
x≤5/2  ⇒x∈(-α 5/2]