lindseybauer2648 lindseybauer2648

28-08-2020
Mathematics

contestada

Find the value of x if O is between D & B and DO = 15, OB = 3x + 7, and DB = 9x - 2 x= ____

Respuesta :

llama2004 llama2004

28-08-2020

Answer:

x = 4

Step-by-step explanation:

DO + OB = DB

15 + 3x + 7 = 9x - 2

3x + 22 = 9x - 2

3x + 24 = 9x

24 = 6x

4 = x

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