Ответ:

  1. \(8(x-14)=56\)
    \(x-14=7\); \(x=21\).
  2. \((46-x)\cdot19=418\)
    \(46-x=22\); \(x=24\).
  3. \(17x-x+5x-19=170\)
    \(21x-19=170\); \(21x=189\); \(x=9\).
  4. \(73y-y-22y+40=190\)
    \(50y+40=190\); \(50y=150\); \(y=3\).

Ответ: 1) \(x=21\); 2) \(x=24\); 3) \(x=9\); 4) \(y=3\).