porshanelson3 porshanelson3

28-08-2020
Mathematics

contestada

D is the midpoint of AB. If AD=2x+11 and DB=4x-5, find the value of x and AB

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llama2004 llama2004

28-08-2020

Answer:

x = 8

AB = 54

Step-by-step explanation:

AD = DB

2x+11 = 4x-5

11 = 2x - 5

16 = 2x

8 = x

2(8) + 11 =

16 + 11 = 27

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