3x - 7 ≤ 5x - 3
3x - 5x ≤ -3 + 7
-2x ≤ 4
x ≥ -2 => x ∈ [2; +∞).
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3x - 7 ≤ 5x - 3
3x - 5x ≤ -3 + 7
-2x ≤ 4
x ≥ -2 => x ∈ [2; +∞).