A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

I need help solving 5y-3/5=4/5, 11z/16+7z/8=5/16, a/20+4/15=9/15

  • This Question is Closed
  1. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    lets start with the 1st equation 5y-3/5=4/5

  2. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    whats the first step?

  3. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    adding 3/5 to each side?

  4. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes we can... we can also multiply the equation throughout by 5 leaving |dw:1442965991929:dw|

  5. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    now we add 3 to both sides we get 25y=7 y=7/25 in a similar way if we work its as it is we would get the same answer ..here |dw:1442966307794:dw|

  6. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    a little confusing but I get it

  7. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok any question before moving onto the 2nd problem ? |dw:1442966674753:dw|

  8. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no

  9. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok we must first find the LCM

  10. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    lowest common multiple

  11. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    16?

  12. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1442966977110:dw|

  13. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    8 into 16=2 so 2*7z=14z

  14. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    now 11z+14z=??

  15. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    24z

  16. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1442967219579:dw|multiply both sides by 16...we get 24z=5

  17. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    whats the next step??

  18. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    divide each side by 24

  19. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    correct

  20. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so z equals 4.8?

  21. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    or is it 0.21

  22. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    wait we made an error 11+14=25 and not 24

  23. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    oh

  24. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1442967606687:dw|

  25. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so 25z=5

  26. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so z equals 0.2 then

  27. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    correct or 1/5 in fraction form

  28. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1442967739184:dw|what a=?

  29. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yep

  30. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    a equals 1.8?

  31. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    nope

  32. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    im lost

  33. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1442968005511:dw|

  34. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so a equals 1/3

  35. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no 20/3

  36. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    oh

  37. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yep

  38. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.