Question

if xy/x+y =1 and x is not equal to y, what x in term of y ?​

Answer 1

$\frac{xy}{x + y} = 1 \\xy = x + y \\ y = xy - x = x(y - 1) \\ x = \frac{y}{y - 1}$

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Answer 2

Answer:

$\frac{xy}{x + y} = 1 \\ by \: cross \: multiplication \\ xy = x + y \\ xy - x = y \\ x(y - 1) = y \\ x = \frac{y}{y - 1}$

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