Question

What’s the correct answer for this?

Answer 1

x=10

Explanation:

2x+9=4x-11

-2x -2x

9=2x-11

+11 +11

20=2x

:2 :2

x=10

Answer 2

C: x = 10

Explanation:

PO = QR (so having equal central angles)

Now

4x-11 = 2x+9

4x-2x = 9+11

2x = 20

Dividing both sides by 2

x = 10