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

User Cibeli
by
7.9k points

1 Answer

2 votes

Answer:

21

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

User Jpadvo
by
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