5. Решить уравнение: 8/11 z + 5/22 = 7/33

Решение: $$\frac{8}{11}z + \frac{5}{22} = \frac{7}{33}$$ $$\frac{8}{11}z = \frac{7}{33} - \frac{5}{22}$$ $$\frac{8}{11}z = \frac{14}{66} - \frac{15}{66}$$ $$\frac{8}{11}z = -\frac{1}{66}$$ $$z = -\frac{1}{66} \cdot \frac{11}{8}$$ $$z = -\frac{11}{66 \cdot 8}$$ $$z = -\frac{1}{6 \cdot 8}$$ $$z = -\frac{1}{48}$$ Ответ: **-1/48**