| 5 - 2x| ≤ 7
5 - 2x ≤ 7; 5 - 2x ≥ 0
- ( 5 - 2x) ≤ 7; 5 - 2x < 0
x ≥ - 1; x ≤
x ≤ 6; x >
x∈ [ - 1; ]; x∈ (; 6]
x∈ [ - 1; 6]
| 5 - 2x| ≤ 7
5 - 2x ≤ 7; 5 - 2x ≥ 0
- ( 5 - 2x) ≤ 7; 5 - 2x < 0
x ≥ - 1; x ≤
x ≤ 6; x >
x∈ [ - 1; ]; x∈ (; 6]
x∈ [ - 1; 6]