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AveGali [126]
4 years ago
7

ZA and ZB are vertical angles. If m_A = (3x – 21)° and mZB = (2x – 13),

Mathematics
1 answer:
Oksana_A [137]4 years ago
6 0

Answer:

x = 9

Step-by-step explanation:

(3x - 21) = (2x - 13) eliminate by subtracting 2x and add 21 on both sides

x = 9

     

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