\(\left(-1\frac{1}{2}-\frac{1}{7}\right)\cdot 14 = \left(-\frac{3}{2}-\frac{1}{7}\right)\cdot 14 = \left(-\frac{21}{14}-\frac{2}{14}\right)\cdot 14 = \left(-\frac{23}{14}\right)\cdot 14 = -23\)
Ответ: -23