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OpenStudy (anonymous):
for 3/x-1=10, is it x=1?
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OpenStudy (anonymous):
no
OpenStudy (anonymous):
if it is \(\frac{3}{x-1}=10\) then if \(x=1\) you would have \(\frac{3}{1-1}=\frac{3}{0}\) which is undefined, and certainly not equal to ten
OpenStudy (anonymous):
yes it i the equation i am working on.. solve graphically, so i multiplied both sides by x-1, then divide by ....10?
OpenStudy (anonymous):
I would cross multiply.
OpenStudy (anonymous):
no idea... i feel like im missing a number
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OpenStudy (anonymous):
Are you expecting an integer answer?
OpenStudy (anonymous):
\[\frac{3}{x-1} = \frac{10}{1}\]
OpenStudy (anonymous):
says to simplify answer and use commas as needed-??- or other answer is "all real numbers"
OpenStudy (anonymous):
Start by cross multiplying. What do you get?
OpenStudy (anonymous):
30/x-1
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OpenStudy (anonymous):
Do you know how to cross multiply?
3 * 1 = 10(x-1)
OpenStudy (anonymous):
oh thats right..
OpenStudy (anonymous):
guess not...:(
OpenStudy (anonymous):
OK, let me draw a picture (a picture is worth 1000 words, right?)
OpenStudy (anonymous):
|dw:1375043647724:dw|
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OpenStudy (anonymous):
yes thank you
OpenStudy (anonymous):
\[\frac{x}{y} = \frac{a}{b}\]
\[x*b = y*a\]
OpenStudy (anonymous):
So, what did you get when you cross multiplied?
OpenStudy (anonymous):
3/10x-10
OpenStudy (anonymous):
You seem to be "hooked on fractions". See if this helps...
\(\frac{3}{x-1} = \frac{10}{1}\)
3 * 1 = 10(x-1)
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