124. Решите уравнение: 1) 29x − 11x = 504; 2) 6x + 25x = 1 674; 3) x + 35x = 2 808; 4) 7x + 9x + 32 = 272; 5) 5y + 7y − 24 = 204; 6) 24x − 15x + 47 = 1 919.

1. \(29x-11x=504\)
   \(18x=504\)
   \(x=28\).
2. \(6x+25x=1674\)
   \(31x=1674\)
   \(x=54\).
3. \(x+35x=2808\)
   \(36x=2808\)
   \(x=78\).
4. \(7x+9x+32=272\)
   \(16x=240\)
   \(x=15\).
5. \(5y+7y-24=204\)
   \(12y=228\)
   \(y=19\).
6. \(24x-15x+47=1919\)
   \(9x=1872\)
   \(x=208\).

Ответ: 1) \(x=28\); 2) \(x=54\); 3) \(x=78\); 4) \(x=15\); 5) \(y=19\); 6) \(x=208\).