Question

Помогите решить линейные неравенства

Answer 1

1) {5x > 5

{3x > 3,3

___

{x > 1

{x > 1,1

Ответ: x ∈ (1,1; +∞)

2.

{x > 0

{5x > 5

___

{x > 0

{x > 1

Ответ: x ∈ (1; +∞)

3.

{x > 4

[ x < 3

нет корней

Answer 2

$1); ; left { {{5x+3>8} atop {0,7-3x<-2,6}} right. ; left { {{5x>5} atop {3x>3,3}} right. ; left { {{x>1} atop {x>1,1}} right. ; ; Rightarrow ; ; x>1,1\\2); ; left { {{2x-3>x-3} atop {4x+3>8-x}} right. ; left { {{x>0} atop {5x>5}} right. ; left { {{x>0} atop {x>1}} right. ; ; Rightarrow ; ; x>1$

$3); ; left { {{x+4<2x} atop {1-x>-2}} right. ; left { {{4<x} atop {3>x}} right. ; left { {{x>4} atop {x<3}} right. ; ; Rightarrow ; ; xin varnothing$