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  • 2 years ago

I need help in answering this question: x - 3y = 9 x + 2y = -1 I have to solve by substitution.

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  1. iheartfood
    • 2 years ago
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    ooooh i just got help with stuff like this!!

  2. iheartfood
    • 2 years ago
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    so you can find x first...

  3. iheartfood
    • 2 years ago
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    |dw:1348537411640:dw|

  4. iheartfood
    • 2 years ago
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    so there's ur value of x :) and substitute into an equation for y :)

  5. Discord
    • 2 years ago
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    How do you get -3y = 9 to 3y - 9?

  6. iheartfood
    • 2 years ago
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    |dw:1348537454761:dw|

  7. iheartfood
    • 2 years ago
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    so there is ur value of y :)

  8. iheartfood
    • 2 years ago
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    oh okay lemme show you how.... i got that..

  9. iheartfood
    • 2 years ago
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    so the original equation is |dw:1348537532420:dw|

  10. iheartfood
    • 2 years ago
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    you following?

  11. iheartfood
    • 2 years ago
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    @Discord do u understand this?

  12. Discord
    • 2 years ago
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    Oh right sorry

  13. Discord
    • 2 years ago
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    Following

  14. iheartfood
    • 2 years ago
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    it's all good just wondering :)

  15. iheartfood
    • 2 years ago
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    okay so you do this then..|dw:1348537640529:dw| it's the same thing but u just isolated the x. u follow?

  16. Discord
    • 2 years ago
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    Ohh thank you.

  17. iheartfood
    • 2 years ago
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    okay so then look above... that's when you plug it in for y... do you understand how i got y??

  18. Discord
    • 2 years ago
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    Yeah. It makes sense.

  19. iheartfood
    • 2 years ago
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    okay so then you're not done because now you need to solve for the official official value of x... and i wrote official twice on purpose :) lol tehehe

  20. iheartfood
    • 2 years ago
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    so plug in y=-2 into any equation to solve for x.

  21. Discord
    • 2 years ago
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    Oh okay. Carry on

  22. iheartfood
    • 2 years ago
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    |dw:1348537782220:dw|

  23. iheartfood
    • 2 years ago
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    so x=3 and y=-2.... do u understand now? :D

  24. Discord
    • 2 years ago
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    Yes I understand now.

  25. Discord
    • 2 years ago
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    Whoops

  26. Discord
    • 2 years ago
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    I had my arm on the space bar

  27. iheartfood
    • 2 years ago
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    haha what happened?? I just saw a BUNCH of white and THEN i saw ur message lol

  28. iheartfood
    • 2 years ago
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    ohh i see haha anyhoo hope u understand it now :) i literally JUST got help with this stuff. :) haha

  29. Discord
    • 2 years ago
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    Would you mind continuing to help me with this worksheet? I don't want to impose.

  30. iheartfood
    • 2 years ago
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    ohhh umm how many more questions?? are they like this one?

  31. Discord
    • 2 years ago
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    Yeah they are.

  32. iheartfood
    • 2 years ago
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    okay, how many more?

  33. Discord
    • 2 years ago
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    But I wont ask you to help me with ALL of them. Just one more substitution so I can get the hang of it and then one or two eliminations. Is that alright?

  34. iheartfood
    • 2 years ago
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    okay yeah sure no problemo :) hahaa just message me the link when u post it okay? :D

  35. iheartfood
    • 2 years ago
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    that way it is clearer than if u continued to post here :D

  36. Discord
    • 2 years ago
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    Oh alright thanks.

  37. Discord
    • 2 years ago
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    This is my first time on this site.

  38. iheartfood
    • 2 years ago
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    mmhmm np :D just message me when u post!! :D and i'll be right there :D

  39. Discord
    • 2 years ago
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    Thanks a lot. Really needed the help.

  40. iheartfood
    • 2 years ago
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    oh really?? yeah i just found out about this site before summer and it's really great!! i get help and i can understand things waaaayyyy better and i can also help too :) it's a win win situation!! Plus i can study things i forgot and stuff lol :D

  41. iheartfood
    • 2 years ago
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    how'd u find out about OS?

  42. Discord
    • 2 years ago
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    My friend told me. I dont even know his account name lol

  43. iheartfood
    • 2 years ago
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    oh cool haha lol :) that's nice of ur friend... you should ask him/her their account name haha :D anyhoooo just message me the link when u post ur next question!!

  44. iheartfood
    • 2 years ago
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    @Discord U still there?? :D

  45. Discord
    • 2 years ago
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    Yeah.

  46. Discord
    • 2 years ago
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    Sorry

  47. Discord
    • 2 years ago
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    I have been trying to figure out this other one to move on to the next section but I got stuck.

  48. iheartfood
    • 2 years ago
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    it's all good... just message me when u post ur new question... post it and i'll help u if i can :D

  49. Discord
    • 2 years ago
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    http://openstudy.com/updates/5061129ee4b02e1394112c94

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