Solve each of the following systems of equations by the method of cross-multiplication :

$m x - n y = m^{2} + n^{2} x + y = 2 m$

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Solution

GIVEN:

To find: The solution of the systems of equation by the method of cross-multiplication:

Here we have the pair of simultaneous equation

By cross multiplication method we get

Now for y

Hence we get the value of and

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