Ответ:

Решение:

  1. 1) \( 6x = 28 - x \)
    \( 6x + x = 28 \)
    \( 7x = 28 \)
    \( x = \frac{28}{7} \)
    \( x = 4 \)
  2. 2) \( 11x + 35 = 6x \)
    \( 11x - 6x = -35 \)
    \( 5x = -35 \)
    \( x = \frac{-35}{5} \)
    \( x = -7 \)

Ответ: 1) \( x = 4 \); 2) \( x = -7 \).