1 Answer

SOFextreme · Answer 1 · 2019-12-12T20:56:09+0000

If these are the values of vertical angles, since vertical angles are congruent, you would set them equal to each other to find x, like so:

3x + 20 = 10x - 15
3x + 35 = 10x
35 = 7x
5 = x

Answer:
x = 5

Hope this helps!

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