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

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

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SUMAIYYA SUMAIYYA

03-01-2017

5x+12=3x+8+x(exterior angle property)
5x-4x=8-12
x=-4

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