x-2$$\frac{8}{15}$$=3$$\frac{7}{12}$$
x=3$$\frac{7}{12}$$+2$$\frac{8}{15}$$
x=3$$\frac{35}{60}$$+2$$\frac{32}{60}$$
x=5$$\frac{67}{60}$$
x=6$$\frac{7}{60}$$
Ответ: x=6$$\frac{7}{60}$$