Решите уравнение: 5 1/4*x-2 2/3=1 5/12.

\[5\frac{1}{4}x - 2\frac{2^{\backslash 4}}{3} = 1\frac{5}{12}\]

\[\frac{21}{4}x = 1\frac{5}{12} + 2\frac{8}{12}\]

\[\frac{21}{4}x = 3\frac{13}{12}\]

\[x = \frac{49 \cdot 4}{12 \cdot 21}\]

\[x = \frac{7}{9}.\]