Derosaclan Derosaclan

23-10-2020
Mathematics

contestada

∠A=5x−5,∠B=3x+13=180

Respuesta :

arivers092004 arivers092004

23-10-2020

Answer:

x=9

Step-by-step explanation:

5x - 5(3x +13)=0

5x - 3x - 13 - 5 = 0

2x -18= 0

x=18/2

x=9

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