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I need help in answering this question: x - 3y = 9
x + 2y = -1
I have to solve by substitution.
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iheartfood
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ooooh i just got help with stuff like this!!
iheartfood
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so you can find x first...
iheartfood
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|dw:1348537411640:dw|
iheartfood
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so there's ur value of x :) and substitute into an equation for y :)
Discord
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How do you get -3y = 9 to 3y - 9?
iheartfood
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|dw:1348537454761:dw|
iheartfood
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so there is ur value of y :)
iheartfood
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oh okay lemme show you how.... i got that..
iheartfood
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so the original equation is |dw:1348537532420:dw|
iheartfood
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you following?
iheartfood
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@Discord do u understand this?
Discord
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Oh right sorry
Discord
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Following
iheartfood
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it's all good just wondering :)
iheartfood
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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?
Discord
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Ohh thank you.
iheartfood
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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??
Discord
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Yeah. It makes sense.
iheartfood
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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
iheartfood
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so plug in y=-2 into any equation to solve for x.
Discord
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Oh okay. Carry on
iheartfood
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|dw:1348537782220:dw|
iheartfood
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so x=3 and y=-2.... do u understand now? :D
Discord
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Yes I understand now.
Discord
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Whoops
Discord
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I had my arm on the space bar
iheartfood
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haha what happened?? I just saw a BUNCH of white and THEN i saw ur message lol
iheartfood
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ohh i see haha anyhoo hope u understand it now :) i literally JUST got help with this stuff. :) haha
Discord
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Would you mind continuing to help me with this worksheet? I don't want to impose.
iheartfood
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ohhh umm how many more questions?? are they like this one?
Discord
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Yeah they are.
iheartfood
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okay, how many more?
Discord
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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?
iheartfood
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okay yeah sure no problemo :) hahaa just message me the link when u post it okay? :D
iheartfood
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that way it is clearer than if u continued to post here :D
Discord
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Oh alright thanks.
Discord
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This is my first time on this site.
iheartfood
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mmhmm np :D just message me when u post!! :D and i'll be right there :D
Discord
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Thanks a lot. Really needed the help.
iheartfood
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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
iheartfood
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how'd u find out about OS?
Discord
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My friend told me. I dont even know his account name lol
iheartfood
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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!!
iheartfood
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@Discord U still there?? :D
Discord
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Yeah.
Discord
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Sorry
Discord
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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.
iheartfood
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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