2(х+3)<3-х
2х+6<3-x
2x+x<3-6
3x<-3
x<-1 x∈(-∞;-1)
1.4х-3⩾2(0.5х-2.6)
1.4x-3≥x-5.2
1.4x-x≥-5.2+3
0.4x≥-2.2
x≥-5.5 x∈[-5.5;+∞)
2(х+3)<3-х
2х+6<3-x
2x+x<3-6
3x<-3
x<-1 x∈(-∞;-1)
1.4х-3⩾2(0.5х-2.6)
1.4x-3≥x-5.2
1.4x-x≥-5.2+3
0.4x≥-2.2
x≥-5.5 x∈[-5.5;+∞)