1075. x-9·6=525-400, (m-215)-128=250, (а:8)·2=106, 745:x=5

Решение:

Решим уравнения.

1. \( x - 9 \cdot 6 = 525 - 400 \)
   \( x - 54 = 125 \)
   \( x = 125 + 54 \)
   \( x = 179 \)
2. \( (m - 215) - 128 = 250 \)
   \( m - 215 = 250 + 128 \)
   \( m - 215 = 378 \)
   \( m = 378 + 215 \)
   \( m = 593 \)
3. \( (a : 8) \cdot 2 = 106 \)
   \( a : 8 = 106 : 2 \)
   \( a : 8 = 53 \)
   \( a = 53 \cdot 8 \)
   \( a = 424 \)
4. \( 745 : x = 5 \)
   \( x = 745 : 5 \)
   \( x = 149 \)

Ответ: x = 179, m = 593, a = 424, x = 149.