jshamp69 jshamp69
  • 25-03-2021
  • Mathematics
contestada

please help me answer this

please help me answer this class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 29-03-2021

9514 1404 393

Answer:

  A.  9

Step-by-step explanation:

The exterior angle is equal to the sum of the remote interior angles.

  10x -19 = (3x +2) +(5x -3)

  2x = 18 . . . . . . . . . . . . . . . add 19-8x to both sides, simplfy

  x = 9 . . . . . . . . . . . divide by 2

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