Seudónimo Seudónimo
  • 03-01-2017
  • Mathematics
contestada

Find the value of x of the picture below HELP PLEASE !
-10
-15
-20
-25

Find the value of x of the picture below HELP PLEASE 10 15 20 25 class=

Respuesta :

baabaagreysheep
baabaagreysheep baabaagreysheep
  • 03-01-2017
(180 - 5x + 12) + x + 3x + 8 = 180
180 - x + 20 = 180
-180
-x + 20 = 0
- 20
-x = -20
x = 20
Sorry for the confusion! I believe this is the correct answer
Answer Link
SUMAIYYA SUMAIYYA
  • 03-01-2017
5x+12=3x+8+x(exterior angle property)
5x-4x=8-12
x=-4

Answer Link

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