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Find the value of x of the picture below HELP PLEASE ! -10 -15 -20 -25
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5 votes
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-example-1
User Julien Lamarche
by
5.6k points

2 Answers

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

User Anjanesh
by
5.9k points
5 votes
(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
User Eoriu
by
5.9k points
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