9. Реши уравнения. x+3=27 x-3=27 x⋅3 = 27 x: 3 = 27

Решим уравнения:

1. \[x + 3 = 27\]

   \[x = 27 - 3\]

   \[x = 24\]

2. \[x - 3 = 27\]

   \[x = 27 + 3\]

   \[x = 30\]

3. \[x \cdot 3 = 27\]

   \[x = 27 : 3\]

   \[x = 9\]

4. \[x : 3 = 27\]

   \[x = 27 \cdot 3\]

   \[x = 81\]

Ответы:

• x = 24
• x = 30
• x = 9
• x = 81