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bezimeni [28]
3 years ago
12

What does x=? I know it is vertical

Mathematics
2 answers:
svlad2 [7]3 years ago
8 0
Hello there!

We know a vertical line = 180 degrees


x + 20 + 7x = 180

we can simplify this

20 + 8x = 180

To solve this, we can work backwards.

180 - 20 = 160

8x = 160

160/8 = 20

x = 20 degrees


Hope I helped!

Let me know if you need anything else!

~ Zoe 
Rudik [331]3 years ago
6 0
The angles are <span>supplementary
</span>
7x + x + 20 = 180
8x = 160
x = 20
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