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Solve : 4x + (6)/(y ) = 15 and 3x - (4)...

Solve : `4x + (6)/(y ) = 15 and 3x - (4)/(y) = 7`. Hence, find 'a' if y = ax -2.

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The correct Answer is:
x = 3; y and a = 1 `(1)/(3)`
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