Răspunsuri

2014-05-28T21:52:14+03:00
1-9x+5 (2x-3)≤-19
-9x+10x-15
≤-19-1
x≤-20+15
x≤-5
x∈(-α, -5]
2014-05-29T01:47:23+03:00
1-9x+5 (2x-3)≤-19
-9x+10x-15
≤-19-1
x≤-20+15
x≤-5
x∈(-α, -5]
1 5 1