Question

Mă puteți ajuta vă rog?

Answer 1

a)x+3<0

x<-3

b)5x+15>0

5x>-15

x>-3

c)4x-16≤4

4x≤4+16=20

x≤5

d)7x+28≥-35

7x≥-35-28=-63

x≥-9

e)-2x+4<-6

-2x<-6-4=-10

-x<-5

x>5

f)6x-15≤15

6x≤15+15=30

x≤5

g)3x+3<-18

3x<-18-3=-21

x<-7

h)2x-3≥-3x+2

2x+3x≥2+3

5x≥5

x≥1

i)2x+10+3<-9

2x+13<-9

2x<-9-13=-22

x<-11

j)6x-3≤x-14

6x-x≤-14+3

5x≤-11

x≤$\frac{-11}{5}$