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18-01-2020
Mathematics

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plz, help ASAP!!!!!!!!!!!!!

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meredith48034 meredith48034

18-01-2020

Answer:

5x - 15 = 2x + 21

3x - 15 = 21

3x = 36

x = 12

Angle B: 2(12)+21= 24+21= 45°

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