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

asked Jan 9, 2021 115k views

5 votes

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

then find the value of x.

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4 votes

Answer:

x = 9

Explanation:

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

x = 9

Sazz answered Jan 14, 2021

by Sazz

7.6k points

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