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Mathematics 20 Online
OpenStudy (anonymous):

solve 3/x-4=4/x

OpenStudy (saifoo.khan):

\[\frac{3}{x-4}=\frac4x\]Like this?

OpenStudy (anonymous):

Yes!

OpenStudy (saifoo.khan):

Cross multiply.

jimthompson5910 (jim_thompson5910):

you would cross multiply to get 3x = 4(x-4) hopefully you see what to do from here

OpenStudy (anonymous):

x=16

jimthompson5910 (jim_thompson5910):

good

OpenStudy (anonymous):

what about 2/x+4/3=2

jimthompson5910 (jim_thompson5910):

multiply everything by the LCD 3x

jimthompson5910 (jim_thompson5910):

that will clear out the fractions

OpenStudy (anonymous):

im still confused

jimthompson5910 (jim_thompson5910):

what is 2/x times 3x

OpenStudy (anonymous):

would that be x=0?

jimthompson5910 (jim_thompson5910):

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