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03-04-2020
Mathematics

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

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

Respuesta :

03-04-2020

Answer:

The angles are adjacent. x=20

Step-by-step 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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