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3 years ago

12

What does x=? I know it is vertical

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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