Maths
posted by Greg .
change so x is the subject
y=2/x
and
y=n/x
the minus is for the whole fraction
please show your working
thanks in advance :)

Was this the question you had in
http://www.jiskha.com/display.cgi?id=1256992665 ??
Well, the way you phrased it now makes it so much easier ...
y = 2/x
multiply by x
xy = 2
divide by y
x = 2/y
do the same for the second part.