Задание 9.3 1. Решите уравнение: 2(x - 3) - x = 3 2. Решите уравнение: 2(x - 10) - x = 10 3. Решите уравнение: 2(x - 5) - x = 5 4. Решите уравнение: 2(x - 6) - x = 6 5. Решите уравнение: 2(x - 1) - x = 1 6. Решите уравнение: 2(x - 2) - x = 2

Решение:

1. \( 2(x - 3) - x = 3 \)
   \( 2x - 6 - x = 3 \)
   \( x - 6 = 3 \)
   \( x = 9 \)
2. \( 2(x - 10) - x = 10 \)
   \( 2x - 20 - x = 10 \)
   \( x - 20 = 10 \)
   \( x = 30 \)
3. \( 2(x - 5) - x = 5 \)
   \( 2x - 10 - x = 5 \)
   \( x - 10 = 5 \)
   \( x = 15 \)
4. \( 2(x - 6) - x = 6 \)
   \( 2x - 12 - x = 6 \)
   \( x - 12 = 6 \)
   \( x = 18 \)
5. \( 2(x - 1) - x = 1 \)
   \( 2x - 2 - x = 1 \)
   \( x - 2 = 1 \)
   \( x = 3 \)
6. \( 2(x - 2) - x = 2 \)
   \( 2x - 4 - x = 2 \)
   \( x - 4 = 2 \)
   \( x = 6 \)

Ответ: 1. 9, 2. 30, 3. 15, 4. 18, 5. 3, 6. 6.