3(2х - 3) + 8 ≤ 8х + 3
6х - 18 ≤ 8х + 3
6х - 8х ≤ 3 + 18
-2х ≤ 21 | :(-2)
х ≥ -10,5
Ответ: [-10,5; +∞)
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3(2х - 3) + 8 ≤ 8х + 3
6х - 18 ≤ 8х + 3
6х - 8х ≤ 3 + 18
-2х ≤ 21 | :(-2)
х ≥ -10,5
Ответ: [-10,5; +∞)