2x - 5x ≤ - 2 + 7
- 3x ≤ 5
- 3x)(- 1) ≤ 5(- 1)
3x ≥ - 5
9x - 5x ≥ 4 - 8
4x ≥ - 4
x ≥ - 4/4
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2x - 7 ≤ 5x - 2
2x - 5x ≤ - 2 + 7
- 3x ≤ 5
- 3x)(- 1) ≤ 5(- 1)
3x ≥ - 5
x ≥ - 5/3
9x - 4 ≥ 5x - 8
9x - 5x ≥ 4 - 8
4x ≥ - 4
x ≥ - 4/4
x ≥ - 1