(42 + 2x) : 2 = 32

Решение:

1. \( (42 + 2x) : 2 = 32 \)
2. \( 42 + 2x = 32 \cdot 2 \)
3. \( 42 + 2x = 64 \)
4. \( 2x = 64 - 42 \)
5. \( 2x = 22 \)
6. \( x = \frac{22}{2} \)
7. \( x = 11 \)

Ответ: 11