Question

номер1054плиз!!!!!!!!!!!!!!

Answer 1

1)
{2x+7>=1
{x-3<1

{2x>=-6
{x<4

{x>=-3
{x<4

x∈[-3;4)

2)
{4x+9>-15
{2-x<=5

{4x>-24
{x>=-3

{x>-6
{x>=-3

x∈[-3;+∞)

3)

{7x+9<2x-1
{4+11x>9x-14

{5x<-10
{2x>-18

{x<-2
{x>-9

x∈(-9;-2)