2. Реши уравнения: x − 85 = 350 + 150; x + 320 = 80 · 7.

1. \(x - 85 = 350 + 150\)
   \(x - 85 = 500\)
   \(x = 500 + 85 = 585\).
2. \(x + 320 = 80 \cdot 7\)
   \(x + 320 = 560\)
   \(x = 560 - 320 = 240\).

Ответ: \(x = 585\); \(x = 240\).