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kondaur [170]
4 years ago
11

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

Mathematics
1 answer:
iVinArrow [24]4 years ago
6 0

Answer:

21

Step-by-step explanation:

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

<u>Since AC = AB + BC</u>

  • 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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