fredbearp959
fredbearp959 fredbearp959
  • 12-09-2020
  • Mathematics
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If BC = 5x − 15, CD = 4x, and BD = 8x + 4, what is BD? Simplify your answer and write it as a proper fraction, mixed number, or integer. Could you please type it in a step by step.

If BC 5x 15 CD 4x and BD 8x 4 what is BD Simplify your answer and write it as a proper fraction mixed number or integer Could you please type it in a step by st class=

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hanie82
hanie82 hanie82
  • 12-09-2020

Answer:

156

Step-by-step explanation:

CD+BC=BD

[tex](5x - 15) + 4x = 9x - 15 = 8x + 4 \\ x = 19 \\ bd = 8x + 4 = (8 \times 19) + 4 = 156[/tex]

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