Tell whether the angles are adjacent or vertical. Then find the value of x.

asked Aug 6, 2021 191k views

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6 votes

Answer:

The angles are adjacent. x=20

Explanation:

The angles should add up to 180 because they are supplementary.

7x+x+20=180

8x+20=180

180-20=160

8x=160

x=20

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