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2x<-2
x<-1
czyli x∈(-∞, -1)
3x-2<7
3x<9
x<3
czyli x∈(-∞, 3)
2x-6x-2≥10-3x
2x-6x+3x≥10
-x≥10
x≤-10
czyli x∈(-∞, -10>
3x-5≥2x+1
x≥6
czyli x∈<6, +∞)
x+1≥2x-3
-x≥-4
x≤4
czyli x∈(-∞, 4>
6x+2>0
6x>-2
x>-1/3
czyli x∈(-1/3, +∞)
4x-8<0
4x<8
x<2
czyli x∈(-∞, 2)