elviaramirsz elviaramirsz

24-08-2020
Mathematics

contestada

AC = 64,
AB = 7x + 8, and
BC = 3x + 6,
Find BC.

Respuesta :

mhanifa mhanifa

24-08-2020

Answer:

21

Step-by-step explanation:

AC = 64
AB = 7x + 8
BC = 3x + 6

Since AC = AB + BC

7x + 8 + 3x + 6 = 64
10x + 14 = 64
10x = 50
x = 50/10
x = 5

------------------

BC = 3x + 6 = 3*5 + 6 = 21

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