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OpenStudy (anonymous):
x/2=3/6
x/2=1/2
OpenStudy (anonymous):
-3/4=a/12
OpenStudy (anonymous):
I am sorry I have to go.
OpenStudy (anonymous):
\[-\frac{3}{4} = \frac{a}{12}\]
What you want to do is make the first equation's denominator equal the 2nd one. What can you multiply by -4 to get 12?
OpenStudy (anonymous):
3
any tool for this too hahaha
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OpenStudy (anonymous):
Right, so you want to multiply the top and the bottom by -3 on the first fraction. \[-\frac{3}{4}\times \frac{3}{3}\] Can you solve that?
Hahah, not that I've come across. Even if there was, it wouldn't benefit you in the long run. Cheat the homework, fail the test :D
OpenStudy (anonymous):
I'm sorry, the -3 in my first sentence is supposed to be a positive 3. Oops
OpenStudy (anonymous):
9/12
3/4
OpenStudy (anonymous):
Right, but it'd be -9/12, right? So a = -9
OpenStudy (anonymous):
tht he answre
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OpenStudy (anonymous):
That's the answer. Do you understand how we got that?
OpenStudy (anonymous):
yuh
OpenStudy (anonymous):
You told me that
\[-\frac{3}{4} = -\frac{9}{12}\]\[\frac{-9}{12} = \frac{a}{12}\]
\[a = -9\]