5x - \(1.5 \times 2x + 1.5 \times 3\) < 4x + 1.5
5x - (3x + 4.5) < 4x + 1.5
5x - 3x - 4.5 < 4x + 1.5
2x - 4.5 < 4x + 1.5
2x - 4x < 1.5 + 4.5
-2x < 6
x > \(\frac{6}{-2}\)
x > -3
Ответ: x > -3