| 2x + 1 | ≥ 2,5x + 1,5
2x + 1 ≥ 2,5x + 1,5 или 2x + 1 ≤ - ( 2,5x + 1,5 )
2x - 2,5x ≥ 1,5 - 1 2x + 1 ≤ - 2,5x - 1,5
- 0,5x ≥ 0,5 2x + 2,5x ≤ - 1,5 - 1
x ≤ -1 4,5x ≤ - 2,5
x ≤ - 5/9
\\\\\\\\\\\\\\\\\\\\\\\\\\\-1 - 5/9
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ОТВЕТ: ( -оо ; - 5/9 ]