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Lyrx [107]
3 years ago
6

What is the value for x? A.20 B,14 C.12 D.16

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
7 0

Answer:

A. 20

Step-by-step explanation:

As a rule of Geometry, anything that is vertically opposite are considered equal angles to each other. Set the two equations equal and find x.

7x-99=2x+1

Add 99 to both sides to get 7x=2x+100. Subtract 2x to get 5x=100. Divide both sides by 5 to get x=20.

liraira [26]3 years ago
3 0

Answer:

A. 20

Step-by-step explanation:

For vertical angles

7x - 99 = 2x + 1

7x - 2x = 1 + 99

5x = 100

x = 20

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