х - 4х + 11 + 9 - 2х = 6 - 3х - 5
-5х + 20 = - 3х + 1
-5х + 3х = 1 - 20
- 2х = - 19
х = 9,5
х - (4х - 11) + (9 - 2х) = 3*(2-х) - 5
х - 4х + 11 + 9 - 2х = 6 - 3х -5
11 + 9 - 6 + 5 = -3х - х + 4х + 2х
19 = 2х
х = 19/2
х - 4х + 11 + 9 - 2х = 6 - 3х - 5
-5х + 20 = - 3х + 1
-5х + 3х = 1 - 20
- 2х = - 19
х = 9,5
х - (4х - 11) + (9 - 2х) = 3*(2-х) - 5
х - 4х + 11 + 9 - 2х = 6 - 3х -5
11 + 9 - 6 + 5 = -3х - х + 4х + 2х
19 = 2х
х = 19/2
х = 9,5