2. Решите уравнения: x + 1$$\frac{9}{12}$$ = 2$$\frac{5}{12}$$

x + 1$$\frac{9}{12}$$ = 2$$\frac{5}{12}$$

x + $$\frac{21}{12}$$ = $$\frac{29}{12}$$

x = $$\frac{29}{12}$$ - $$\frac{21}{12}$$

x = $$\frac{8}{12}$$ = $$\frac{2}{3}$$

Ответ: $$\frac{2}{3}$$