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In the accompanying diagram, line a intersects line b.

In the accompanying diagram, line a intersects line b.-example-1
User Stephani
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1 Answer

7 votes

Answer:

C. 10

Explanation:


(x + 5) = (2x - 5) (vertical angles are congruent)


x + 5 = 2x - 5

Add 5 to both sides


x + 5 + 5 = 2x


x + 10 = 2x

Subtract x from both sides


10 = 2x - x


10 = x


x = 10

User Duan
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