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Mathematics 21 Online
OpenStudy (alli.33):

Help!? http://prntscr.com/dgsyj1

OpenStudy (alli.33):

@Photon336 @wolf1728

OpenStudy (alli.33):

@Jamierox4ev3r

OpenStudy (alli.33):

@kittiwitti1

OpenStudy (kittiwitti1):

\[ABC=DEF\]means...\[AB=DE\]\[BC=EF\]\[AC=DF\]now... \(AB=x+8\) and \(DE=2x-4\), so...\[x+8=AB=DE=2x-4\rightarrow x+8=2x-4\]set equivalence...\[x+8=2x-4\]

OpenStudy (alli.33):

x=12

OpenStudy (kittiwitti1):

hmm... I somehow got a different answer but \(x=12\) works. idk

OpenStudy (alli.33):

im confused now lool

OpenStudy (alli.33):

I solved for x and got 12 idk

OpenStudy (kittiwitti1):

It's 12, I checked WolframAlpha... idk what I'm doing lol http://www.wolframalpha.com/input/?i=x%2B8%3D2x-4+solve+for+x

OpenStudy (alli.33):

Ty

OpenStudy (kittiwitti1):

OH... I did the division part wrong... yeah it's 12 \(\text{OOPS}\)

OpenStudy (alli.33):

lol nws

OpenStudy (kittiwitti1):

Alright that's good :-D

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