Please help! I need 90 percent on the course and fast! -6x+14<-28 AND 3x+28 < or equal to 25

Question

asked Jan 17, 2021 200k views

2 Answers

Harminder Singh · Answer 1 · 2021-01-19T22:02:21+0000

Hi,

-6x + 14 < -28

-6x + 14 - 14 < -28 - 14

-6x < -42

-6x/-6 > -42/-6

x > 7

S = [ +infinity ; 7 ]

3x + 28 < 25

3x + 28 - 28 < 25 - 28

3x < -3

3x/3 < -3/3

x < -1

S = ] -infinity ; -1 [