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Solve the following pair of linear equation by cross - multiplication method: 8x + 5y = 9; 3x + 2y = 4

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Solve the following pair of linear equation by cross - multiplication method:

8x + 5y = 9

3x + 2y = 4

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1 Answer

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Given, pair of equations is

8x + 5y – 9 = 0 and 3x + 2y – 4 = 0

By cross - multiplication method, we have

⇒ x = – 2

On taking II and III ratio, we get

⇒ y/5 = 1/1

⇒ y = 5

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