Solve - 7 x - 2 y x y - 5 8 x - 7 y x y - 15

7 x 2 yx y=57y 2x=5⋯(1) 8 x+7 yx y=158y+7x=15⋯(2) (1)× 749y 14x=35⋯(3) (2)× 216y+14x=30⋯(4) (3)+(4)65y=65 y=1 Put y=1 in (1) ...

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Algebraic Identities

Solve : 7 x ...

Question

Solve :
$\frac{7 x - 2 y}{x y} = 5$
$\frac{8 x + 7 y}{x y} = 15$

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Solution

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\frac{7 x - 2 y}{x y} = 5

\frac{8 x + 7 y}{x y} = 15

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