2. Реши уравнения: x + 14 = 61; x − 54 = 19; 27 : y = 9; x : 3 = 27.

1. \(x + 14 = 61\)
   \(x = 61 - 14 = 47\).
2. \(x - 54 = 19\)
   \(x = 19 + 54 = 73\).
3. \(27 : y = 9\)
   \(y = 27 : 9 = 3\).
4. \(x : 3 = 27\)
   \(x = 27 \cdot 3 = 81\).

Ответ: x = 47; x = 73; y = 3; x = 81.