Respuesta :

9514 1404 393

Answer:

  x = 19

Step-by-step explanation:

The marked angles are supplementary, so we have ...

  (3x +17)° +(8x -46)° = 180°

  11x = 209 . . . . . divide by °, add 29

  x = 19 . . . . . . . . divide by 11