Решение:
-2\(\frac{3}{7}\) + (-\(\frac{3}{2}\)) + (-\(\frac{1}{14}\)) = -\(\frac{17}{7}\) - \(\frac{3}{2}\) - \(\frac{1}{14}\) = -\(\frac{34}{14}\) - \(\frac{21}{14}\) - \(\frac{1}{14}\) = -\(\frac{34+21+1}{14}\) = -\(\frac{56}{14}\) = -4
Ответ: -4