Ответ:

2х - 7 7x - 2 1 - x

———— + ———— ≤ 3 - ——— = 2x - 7 + 2 ( 7x - 2 )

6 3 2

≤ 18 - 3 ( 1 - x ) = 2x - 7 + 14x - 4 ≤ 18 - 3 + 3x = 16x -

11 ≤ 15 + 3x= 16x - 3x ≤ 15 + 11 = 13x ≤ 26 =

= x ≤ 2 або x є ( - ∞ ; 2 ] .