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

- anonymous

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

- Stacey Warren - Expert brainly.com

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- jamiebookeater

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- anonymous

ooooh i just got help with stuff like this!!

- anonymous

so you can find x first...

- anonymous

|dw:1348537411640:dw|

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## More answers

- anonymous

so there's ur value of x :) and substitute into an equation for y :)

- anonymous

How do you get -3y = 9 to 3y - 9?

- anonymous

|dw:1348537454761:dw|

- anonymous

so there is ur value of y :)

- anonymous

oh okay lemme show you how.... i got that..

- anonymous

so the original equation is |dw:1348537532420:dw|

- anonymous

you following?

- anonymous

@Discord do u understand this?

- anonymous

Oh right sorry

- anonymous

Following

- anonymous

it's all good just wondering :)

- anonymous

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

- anonymous

Ohh thank you.

- anonymous

okay so then look above... that's when you plug it in for y... do you understand how i got y??

- anonymous

Yeah. It makes sense.

- anonymous

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

- anonymous

so plug in y=-2 into any equation to solve for x.

- anonymous

Oh okay. Carry on

- anonymous

|dw:1348537782220:dw|

- anonymous

so x=3 and y=-2.... do u understand now? :D

- anonymous

Yes I understand now.

- anonymous

Whoops

- anonymous

I had my arm on the space bar

- anonymous

haha what happened?? I just saw a BUNCH of white and THEN i saw ur message lol

- anonymous

ohh i see haha anyhoo hope u understand it now :) i literally JUST got help with this stuff. :) haha

- anonymous

Would you mind continuing to help me with this worksheet? I don't want to impose.

- anonymous

ohhh umm how many more questions?? are they like this one?

- anonymous

Yeah they are.

- anonymous

okay, how many more?

- anonymous

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?

- anonymous

okay yeah sure no problemo :) hahaa just message me the link when u post it okay? :D

- anonymous

that way it is clearer than if u continued to post here :D

- anonymous

Oh alright thanks.

- anonymous

This is my first time on this site.

- anonymous

mmhmm np :D just message me when u post!! :D and i'll be right there :D

- anonymous

Thanks a lot. Really needed the help.

- anonymous

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

- anonymous

how'd u find out about OS?

- anonymous

My friend told me. I dont even know his account name lol

- anonymous

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!!

- anonymous

@Discord U still there?? :D

- anonymous

Yeah.

- anonymous

Sorry

- anonymous

I have been trying to figure out this other one to move on to the next section but I got stuck.

- anonymous

it's all good... just message me when u post ur new question... post it and i'll help u if i can :D

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