решите неравенство /2х+5/>5x-1
|2х+5| > 5x-1
2х+5 > 5x-1 или 2х+5 < - (<span>5x-1)
2х - 5х > - 5 -1 2х+5 < - <span>5x + 1
- 3х > - 6 |: (-3) 2х+5х < <span> 1 - 5
х < 2 <span>7х < <span> - 4 |: 7
х < <span> - 4/7
х < 2</span> ∨ х < <span> - 4/7 ⇒ х < 2</span>
Ответ: ( - ∞ ; 2 )
|2х+5|>5x-1
2x+5>5x-1 ∨ 2x+5<-5x+1</p>
3x<6 ∨ 7x<-4</p>
x<2 ∨ x<-4/7</p>
x<2</strong>