Solve the following pair of linear equation by cross - multiplication method:
x + 4y + 9 = 0
5x – 1 = 3y
Given, pair of equations is
x + 4y + 9 = 0 and 5x – 3y – 1 = 0
By cross - multiplication method, we have

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On taking I and III ratio, we get
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⇒ x = – 1
On taking II and III ratio, we get
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⇒ y = – 2
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