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Discord

  • 2 years ago

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

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  1. iheartfood
    • 2 years ago
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    Okay i'm here hahaa lemme see if i understand this :D

  2. iheartfood
    • 2 years ago
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    do the same thing as last time... get one variable by itself and you get |dw:1348539121996:dw|

  3. iheartfood
    • 2 years ago
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    you follow?

  4. Discord
    • 2 years ago
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    Oh wow.

  5. Discord
    • 2 years ago
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    I feel like an idiot.

  6. iheartfood
    • 2 years ago
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    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

  7. iheartfood
    • 2 years ago
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    |dw:1348539209962:dw| so u see what just happened??

  8. iheartfood
    • 2 years ago
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    |dw:1348539243473:dw|

  9. iheartfood
    • 2 years ago
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    what do you think now?

  10. Discord
    • 2 years ago
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    Right right. I think I can understand now.

  11. iheartfood
    • 2 years ago
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    so what is ur answer then? and please explain to me

  12. iheartfood
    • 2 years ago
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    @Discord ?? u there still?

  13. Discord
    • 2 years ago
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    Let me just finish working it out.

  14. Discord
    • 2 years ago
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    I'm using pen and paper.

  15. iheartfood
    • 2 years ago
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    okay haha but i just showed u the steps and work i did above... ohhhhh okay i see :D take ur time :D

  16. iheartfood
    • 2 years ago
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    @Discord what happened? I saw u were typing just now... :/

  17. Discord
    • 2 years ago
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    Haha thanks. I won't disappear. I promise

  18. iheartfood
    • 2 years ago
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    it's okay lol :) just wondering what happened

  19. Discord
    • 2 years ago
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    Sorry I'm used to just hitting enter and it sending the message. Its weird to have to hit post all the time.

  20. iheartfood
    • 2 years ago
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    yeah hahaa :) so what do u think the answer is and whY?

  21. Discord
    • 2 years ago
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    Well I did 2(-2b -3) - 4b = 6 And I got stuck.

  22. iheartfood
    • 2 years ago
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    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??

  23. iheartfood
    • 2 years ago
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    @Discord u there?

  24. iheartfood
    • 2 years ago
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    hi @hartnn what's up ?! :D

  25. Discord
    • 2 years ago
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    Yes yes sorry

  26. hartnn
    • 2 years ago
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    proceed ahead @Discord and distribute 2 inside the parenthesis

  27. Discord
    • 2 years ago
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    So if everything cancelled out what not?

  28. Discord
    • 2 years ago
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    *now

  29. hartnn
    • 2 years ago
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    everything DOES NOT cancel out

  30. iheartfood
    • 2 years ago
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    not eveyrthing , but the variables

  31. hartnn
    • 2 years ago
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    2(-2b -3) - 4b = 6 -4b -6 -4b = 6 then ?

  32. iheartfood
    • 2 years ago
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    my mistake for the one with =6, it becomes =12, but the variables are cancelled out, soooo what is ur answer @Discord and why?

  33. Discord
    • 2 years ago
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    Wait why is it 12?

  34. hartnn
    • 2 years ago
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    variables are not cancelled out @iheartfood

  35. iheartfood
    • 2 years ago
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    |dw:1348539983449:dw| sorry my bad lol

  36. iheartfood
    • 2 years ago
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    so what is your answer to b then?

  37. hartnn
    • 2 years ago
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    now thats correct

  38. iheartfood
    • 2 years ago
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    and what are you gonna do to get b?

  39. Discord
    • 2 years ago
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    Do I add the two 4b's?

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

  41. iheartfood
    • 2 years ago
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    what do you mean by 4bs?

  42. iheartfood
    • 2 years ago
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    |dw:1348540093318:dw| is that better?

  43. Discord
    • 2 years ago
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    Oh yeah.Now I get it.

  44. iheartfood
    • 2 years ago
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    mhmm so what is b?

  45. iheartfood
    • 2 years ago
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    |dw:1348540188906:dw| and now u figure it out and tell me and i will check it :)

  46. Discord
    • 2 years ago
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    b = -1.5

  47. iheartfood
    • 2 years ago
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    |dw:1348540295673:dw|

  48. iheartfood
    • 2 years ago
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    yes, correct

  49. Discord
    • 2 years ago
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    Yes!

  50. iheartfood
    • 2 years ago
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    now solve for a right? |dw:1348540336231:dw| i did that for u so tell me what the answer to a is.

  51. iheartfood
    • 2 years ago
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    haha yeah good job on figuring out b.. now what is a?

  52. Discord
    • 2 years ago
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    A equals zero?

  53. iheartfood
    • 2 years ago
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    yup!! so a=0, b= -1.5 (aka -3/2) good job!! do u understand now??

  54. Discord
    • 2 years ago
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    I believe so.

  55. iheartfood
    • 2 years ago
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    good job :) good luck!! :D

  56. Discord
    • 2 years ago
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    Thanks a lot. You are great.

  57. iheartfood
    • 2 years ago
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    awww thank you!!! :) And no problem :) glad to help!!

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