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Please show your work

Please show your work-example-1

1 Answer

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Answer:

a) - 10

Explanation:

The two angles are vertical angles:

Angles that have a common vertex and whose sides are formed by the same lines.

Therefore, set your formula up as following

x+5=2x-5

x + 5 - 2x = -5

-x + 5 = -5

-x = -10

User Cherif
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