Solve the equation

1÷2x-1÷y=-1

1x+1÷2y=8

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Solution

you can either take 1/x = u and 1/y = v,
why we are doing this is because to make the solving of equation simple.and to do simple calculation.you can similarly do apply this in problems like this

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Similar questions

2 x - y = 1

x + 2 y = 8

\frac{1}{2 x} - \frac{1}{y} = - 1

\frac{1}{x} + \frac{1}{2 y} = 8

\neq

\neq

Question 9 (iv)
Solve the following pairs of equation
$\frac{1}{2 x} - \frac{1}{y} = - 1, \frac{1}{x} + \frac{1}{2 y} = 8, x, y \neq 0$

\frac{1}{2 x} - \frac{1}{y} = - 1; \frac{1}{x} + \frac{1}{2 y} = 8; x \neq 0, y \neq 0

2 x = y + 1

x + 2 y - 8 = 0

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