Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Discord Group Title

2a - 4b = 6 a + 2b = -3 I need to solve by substitution.

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Okay i'm here hahaa lemme see if i understand this :D

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

    do the same thing as last time... get one variable by itself and you get |dw:1348539121996:dw|

    • 2 years ago
  3. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    you follow?

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

    Oh wow.

    • 2 years ago
  5. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    I feel like an idiot.

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

    yeah, so now u substitute into an equation hahaa and naww ur not an idiot!! haha :) i got confused with this earlier too but then i got help on OS and i get it now :D

    • 2 years ago
  7. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348539209962:dw| so u see what just happened??

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

    |dw:1348539243473:dw|

    • 2 years ago
  9. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    what do you think now?

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

    Right right. I think I can understand now.

    • 2 years ago
  11. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    so what is ur answer then? and please explain to me

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

    @Discord ?? u there still?

    • 2 years ago
  13. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Let me just finish working it out.

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

    I'm using pen and paper.

    • 2 years ago
  15. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    okay haha but i just showed u the steps and work i did above... ohhhhh okay i see :D take ur time :D

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

    @Discord what happened? I saw u were typing just now... :/

    • 2 years ago
  17. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Haha thanks. I won't disappear. I promise

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

    it's okay lol :) just wondering what happened

    • 2 years ago
  19. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Sorry I'm used to just hitting enter and it sending the message. Its weird to have to hit post all the time.

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

    yeah hahaa :) so what do u think the answer is and whY?

    • 2 years ago
  21. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Well I did 2(-2b -3) - 4b = 6 And I got stuck.

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

    exactly, because everything cancels out right?? take a look back up at the work i showed... notice how i crossed everything out?? because they cancelled out??

    • 2 years ago
  23. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    @Discord u there?

    • 2 years ago
  24. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    hi @hartnn what's up ?! :D

    • 2 years ago
  25. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes yes sorry

    • 2 years ago
  26. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    proceed ahead @Discord and distribute 2 inside the parenthesis

    • 2 years ago
  27. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    So if everything cancelled out what not?

    • 2 years ago
  28. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    *now

    • 2 years ago
  29. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    everything DOES NOT cancel out

    • 2 years ago
  30. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    not eveyrthing , but the variables

    • 2 years ago
  31. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    2(-2b -3) - 4b = 6 -4b -6 -4b = 6 then ?

    • 2 years ago
  32. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    my mistake for the one with =6, it becomes =12, but the variables are cancelled out, soooo what is ur answer @Discord and why?

    • 2 years ago
  33. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Wait why is it 12?

    • 2 years ago
  34. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    variables are not cancelled out @iheartfood

    • 2 years ago
  35. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348539983449:dw| sorry my bad lol

    • 2 years ago
  36. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    so what is your answer to b then?

    • 2 years ago
  37. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    now thats correct

    • 2 years ago
  38. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    and what are you gonna do to get b?

    • 2 years ago
  39. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Do I add the two 4b's?

    • 2 years ago
  40. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    haha yeah sorry @hartnn and @Discord lol saw it wrong and stuff hahaa :) my baddddd ..... forgive me for my mistake?? :/ tehehee

    • 2 years ago
  41. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    what do you mean by 4bs?

    • 2 years ago
  42. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348540093318:dw| is that better?

    • 2 years ago
  43. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Oh yeah.Now I get it.

    • 2 years ago
  44. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    mhmm so what is b?

    • 2 years ago
  45. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348540188906:dw| and now u figure it out and tell me and i will check it :)

    • 2 years ago
  46. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    b = -1.5

    • 2 years ago
  47. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1348540295673:dw|

    • 2 years ago
  48. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yes, correct

    • 2 years ago
  49. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes!

    • 2 years ago
  50. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    now solve for a right? |dw:1348540336231:dw| i did that for u so tell me what the answer to a is.

    • 2 years ago
  51. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    haha yeah good job on figuring out b.. now what is a?

    • 2 years ago
  52. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    A equals zero?

    • 2 years ago
  53. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yup!! so a=0, b= -1.5 (aka -3/2) good job!! do u understand now??

    • 2 years ago
  54. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    I believe so.

    • 2 years ago
  55. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    good job :) good luck!! :D

    • 2 years ago
  56. Discord Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Thanks a lot. You are great.

    • 2 years ago
  57. iheartfood Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    awww thank you!!! :) And no problem :) glad to help!!

    • 2 years ago
    • Attachments:

See more questions >>>

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.