ninoplayercontato ninoplayercontato

21-08-2020
Mathematics

contestada

B is the midpoint of AC. What is the value of x if AC = 52 and AB = 3x - 4

Respuesta :

jimrgrant1 jimrgrant1

21-08-2020

Answer:

x = 10

Step-by-step explanation:

Since B is the midpoint of AC then AB = BC = 3x - 4 and

AB + BC = AC , thus

3x - 4 + 3x - 4 = 52, that is

6x - 8 = 52 ( add 8 to both sides )

6x = 60 ( divide both sides by 6 )

x = 10

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