Muwafaq1133 Muwafaq1133

01-10-2020
Mathematics

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fairytinker92 fairytinker92

01-10-2020

Answer:

x= 10

Step-by-step explanation:

Vertical angles theorem: 10x= 8x + 20

10x - 8x = 20 + 8x - 8x

2x = 20

x = 10

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