Ответ:

Решение:

  1. 1) \( 4x = 24 + x \)
    \( 4x - x = 24 \)
    \( 3x = 24 \)
    \( x = \frac{24}{3} \)
    \( x = 8 \)
  2. 2) \( 10x + 28 = 3x \)
    \( 10x - 3x = -28 \)
    \( 7x = -28 \)
    \( x = \frac{-28}{7} \)
    \( x = -4 \)

Ответ: 1) \( x = 8 \); 2) \( x = -4 \).