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Mello

If (a+4b)/(5a-7b)=2, find the value of (3a-7b)/(a+b).

  • one year ago
  • one year ago

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  1. sauravshakya
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    (a+4b)/(5a-7b)=2 a+4b=10a-14b 9a=18b a=2b

    • one year ago
  2. sauravshakya
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    right?

    • one year ago
  3. zzr0ck3r
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    solve for a, then use that to solve for the other expression

    • one year ago
  4. sauravshakya
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    Now, substitute a=2b in (3a-7b)/(a+b)

    • one year ago
  5. sauravshakya
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    CAn u?

    • one year ago
  6. Mello
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    @sauravshakya I think I would end with variables in the answer. My teacher told me it would be a number value.

    • one year ago
  7. sauravshakya
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    Yes the answer will be number value

    • one year ago
  8. Mello
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    @zzr0ck3r Can you explain how?

    • one year ago
  9. sauravshakya
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    Just try it

    • one year ago
  10. zzr0ck3r
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    just work it through

    • one year ago
  11. Mello
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    @sauravshakya OH! I see now. Thank you!!

    • one year ago
  12. sauravshakya
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    Welcomx

    • one year ago
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