2. Решите уравнение: 1) 5x − 3,8 = 2,7; 2) (x + 2,3) : 4 = 14,8; 3) x + 2 1/6 = 7 1/12.

1. \(5x-3.8=2.7\)
   \(5x=2.7+3.8=6.5\)
   \(x=6.5:5=1.3\).
2. \((x+2.3):4=14.8\)
   \(x+2.3=14.8\cdot4=59.2\)
   \(x=59.2-2.3=56.9\).
3. \(x+2\frac{1}{6}=7\frac{1}{12}\)
   \(x=7\frac{1}{12}-2\frac{1}{6}=7\frac{1}{12}-2\frac{2}{12}=4\frac{11}{12}\).

Ответ: 1) \(x=1,3\); 2) \(x=56,9\); 3) \(x=4\frac{11}{12}\).