Question

Rezolvati in multimea nr intregi inecuatia: 3x-1>-13; 8x+3<_-21; 6x-5>-35; 4-5x<_-16; 2-7x>-26; 9-4x<-19

Answer 1

3x-1>-13

3x>-13+1

3x>-12

x>-12:3

x>-4

8x+3<-21

8x<-21-3

8x<-24

x<-24:8

x<-3

6x-5>-35

6x>-35+5

6x>-30

x>-30:6

x>-5

4-5x<-16

-5x<-16-4

-5x<-20

x<-20:5

x<-4

2-7x>-26

-7x>-26-2

-7x>-28

x>-28:7

x>-4

9-4x<-19

-4x<-19-9

-4x<-28

x<-28:4

x<-7