№3. Решите уравнения: 1) x + 3/4 = 11/12; 2) x − 14/15 = 1/6; 3) 30/41 − x = 5/82.

1) \(x=\frac{11}{12}-\frac{3}{4}=\frac{11}{12}-\frac{9}{12}=\frac{2}{12}=\frac{1}{6}\).

2) \(x=\frac{1}{6}+\frac{14}{15}=\frac{5}{30}+\frac{28}{30}=\frac{33}{30}=1\frac{1}{10}\).

3) \(x=\frac{30}{41}-\frac{5}{82}=\frac{60}{82}-\frac{5}{82}=\frac{55}{82}\).

Ответ: 1) \(x=\frac{1}{6}\); 2) \(x=1\frac{1}{10}\); 3) \(x=\frac{55}{82}\).