\[5x - 3 \cdot (x - 1,5) < 4x + 1,5\]
\[5x - 3x + 4,5 - 4x < 1,5\]
\[- 2x < 1,5 - 4,5\]
\[- 2x < - 3\]
\[x > 1,5\]
\[Ответ:x > 1,5.\]