Question

plz................​

Answer 1

Răspuns:

x+3<=1

x<=1-3

x<=-2 => S={-3, -5}

3-x<2

-x<2-3

-x<-1

x>1 => S ={2, 4}

2x-3<=1

2x<=1+3

2x<=4

x<=4/2

x<=2 S ={ 1,2}

x-2>=3

x>=3+2

x>=5 S={6, 8}

3x-28>-1

3x>-1+28

3x> 27

x> 27/3

x> 9