Bonsoir,
[tex]5x - 2 < 3x + 1 \\ 5x - 3x < 1 + 2 \\ 2x < 3 \\ x < \frac{3}{2} \\ \\ x < 1.5[/tex]
[tex]x + 4 < 3x + 5 \\ x - 3x < 5 - 4 \\ - 2x < 1 \\ x < - \frac{1}{2} \\ x < - 0.5[/tex]
[tex] - 2x + 1 > 3x + 2 \\ - 2x - 3x > 2 - 1 \\ - 5x > 1 \\ x > - \frac{1}{5} \\ x > - 0.2[/tex]