11. Реши уравнения. x : 5 = 10 x : 7 = 6 28 - x = 28 72 - x = 7 x - 15 = 0 x - 48 = 7

Решим каждое уравнение, находя неизвестный компонент.

1. x : 5 = 10

   x = 10 * 5

   x = 50

2. x : 7 = 6

   x = 6 * 7

   x = 42

3. 28 - x = 28

   x = 28 - 28

   x = 0

4. 72 - x = 7

   x = 72 - 7

   x = 65

5. x - 15 = 0

   x = 15 + 0

   x = 15

6. x - 48 = 7

   x = 7 + 48

   x = 55