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Cross-Multiplication Method of Finding Solution of a Pair of Linear Equations

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Question

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

$b x + c y = a + b$

$a x (\frac{1}{a - b} - \frac{1}{a + b}) + c y (\frac{1}{b - a} - \frac{1}{b + a}) = \frac{2 a}{a + b}$

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Solution

$x = \frac{a}{b}, y = \frac{b}{c}$

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Cross-Multiplication Method of Finding Solution of a Pair of Linear Equations

Standard X Mathematics

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