Question

I don’t know how to find the value.

Answer 1

x=20. C.

Explanation:

You see, 2x plus 20 and 60 are vertical angles. They are angles that go head to head. Vertical angles are also congruent, so if they are congruent you can write an equation, 2x+20=60. Solve for x, minus both sides by 20, and you get 2x=40. Divide both sides by 2 and you get x=20. Hope this helps!

Answer 2

x=20

Explanation:

The angles are vertical angles, which means they are equal

2x+20 = 60

Subtract 20 from each side

2x+20-20 = 60-20

2x = 40

Divide each side by 2

2x/2 = 40/2

x =20