anonymous
  • anonymous
Solve for x.
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
@k3nzi14
anonymous
  • anonymous
one question.. what grade is this taught?

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anonymous
  • anonymous
9th
anonymous
  • anonymous
okay i cant help. im a grade below... 8th im really sorry.
anonymous
  • anonymous
:/ dang I really need help!
Directrix
  • Directrix
If a line is parallel to one side of a triangle and intersects the other two, then it divides them proportionally. So, x is to (x + 5) as (x - 2) is to (x + 1) x/(x+5) = (x-2)/(x+1) Cross multiply and solve for x.
anonymous
  • anonymous
@Directrix helps me alot. He is really good. He knows how to explain it right and help you. :)
anonymous
  • anonymous
okay I know how to cross multiply but i dont think im gonna do that right... and thanks @k3nzi14
Directrix
  • Directrix
Go ahead and crank it out. Post your work here and we will check. Be brave.
anonymous
  • anonymous
Your welcome, Even though i couldn't help much.:/
anonymous
  • anonymous
no @Directrix I honestly dont know how to do that one I can set it up but thats about it
Directrix
  • Directrix
@k3nzi14 You can always check the algebra.
anonymous
  • anonymous
huh?
anonymous
  • anonymous
oht that wasnt to me haha
Directrix
  • Directrix
x/(x+5) = (x-2)/(x+1) x(x+1) = (x+5)(x-2)
anonymous
  • anonymous
|dw:1363925466594:dw| so thats what I got so far
anonymous
  • anonymous
@Directrix
anonymous
  • anonymous
@Directrix true. but i just haven't learned that subject yet. .. and @UmmmHELP cross multiply the x+1 with the x.. and then cross multiply the x+5 with the x-2
anonymous
  • anonymous
thats what im trying to say im not understanding
anonymous
  • anonymous
I know it seems simple but ugh still lost...
Directrix
  • Directrix
I know you can multiply these: x(x+1) = (x+5)(x-2) Do the left side and then do the right side.
anonymous
  • anonymous
okay well x+5 is just 5x isnt it? like no im not trying to play dumb or anything I honestly 100% dont know what to do this is really confusing to me
anonymous
  • anonymous
and im running out of time to finish it so im really frustrated which doesn't help at all
anonymous
  • anonymous
yes its 5x and then there is -2x
anonymous
  • anonymous
right @Directrix ?
anonymous
  • anonymous
okay guys seriously Im running out of time and no I dont want the answers and I know im not understanding this even though your explaining but could someone please try and explain it some more or a different way!?
Directrix
  • Directrix
My ping/tag notification does not work on this site. If you are looking for me, send a web mail, I suppose. I asked the Techs to repair that function but so far, no repair.
anonymous
  • anonymous
okay well i have one min left to get an answer so i mean oh well now...
Directrix
  • Directrix
|dw:1363927461163:dw|
anonymous
  • anonymous
like i said though I dont want the answer I do want it explained but...yeah times up and im still confused...

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