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Leokris [45]
3 years ago
7

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

Mathematics
2 answers:
garri49 [273]3 years ago
8 0
(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
Vladimir79 [104]3 years ago
3 0
5x+12=3x+8+x(exterior angle property)
5x-4x=8-12
x=-4

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