Ответ:

[tex]x + 5 \ \frac{5}{16} = 23 \frac{11}{6} \\ \\ x = 23\frac{11}{6} - 5 \frac{5}{16} \\ \\ x = \frac{149}{6} - \frac{85}{16} \\ \\ x = \frac{1192}{48} - \frac{255}{48} \\ \\ x = \frac{937}{48} = 19 \frac{25}{48} [/tex]