4. Решите уравнения. x-38=27, 62-x=45, x + 29=74

Решение:

1. \( x - 38 = 27 \)
   \( x = 27 + 38 \)
   \( x = 65 \)
2. \( 62 - x = 45 \)
   \( x = 62 - 45 \)
   \( x = 17 \)
3. \( x + 29 = 74 \)
   \( x = 74 - 29 \)
   \( x = 45 \)

Ответ: x = 65, x = 17, x = 45.