Question

(2х+3/6) - (4х-9/9) < или = 1.

Answer 1

( 2х + 3 )/6 - ( 4х - 9 )/9 < = 1
3( 2х + 3 ) - 2( 4х - 9 ) < = 18
6х + 9 - 8х + 18 < = 18
- 2х < = - 9
Х > = 4,5
[ 4,5 ; + бесконечность )