a) x<4 x∈{...0,1,2,3}
b)x≥-5+3 => x≥-2 x∈ {-2,-1,0,..}
c)nu are logica ce ai scis tu acolo
d)x/-6<2 amplifici 2 cu 3 => -x/6<6 = -x<6=> x>6 x∈{6,7,8,...}
2)
a) 2x-1≥7
2x≥8
x≥4 x∈{4,5,6,7...}
b)5x-9<-24
5x<15
x<3 x ∈ {...1,2}
3) 2x-2<-6
2x<-4
x<-2
x∈ {...-4,-3}
b) nu e inecuatie, nu e nici un semn
c)3+2(x+2)<5
3+2x+4<5
2x<-2
x<-1 x∈{...-3,-2}
4) 3x>-80
x>-80/3
b) 3x+1>-12
3x>-13
x>-13/2
