Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

MichaelaRose

  • 2 years ago

Explain how to get x=3 from the equation: (5x - 1)/2 + (-3x - 1)/4 = 9/2

  • This Question is Closed
  1. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\frac{5x-1}{2} + \frac{-3x-1}{4} = \frac92\]that?

  2. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes

  3. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Ok, find the LCD of the left side. it will be 4. so we can write as, \[\frac{2(5x-1) +(-3x - 1)}{4} = \frac92\]Agree?

  4. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Okay..

  5. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Now try solving further..

  6. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Simplify the top?

  7. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes.

  8. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[(10x-1) +(-3x-1)/4 =9/2\]

  9. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    a mistake, it's 10x - 2

  10. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oh yeah, that's what I meant haha

  11. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok.. move forward..

  12. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[7x-3/4 = 9/2\]

  13. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    good going.. now cross multiply.

  14. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1335241220694:dw|

  15. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[14x - 6 = 36\]

  16. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Oh, okay. So then I add six to both sides?

  17. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Perfect..

  18. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    then I divide both sides by 14 and get x=2.78

  19. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    seems correct.

  20. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Yay!

  21. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ;D

  22. MichaelaRose
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Thanks! (:

  23. saifoo.khan
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Welcome.

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

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.