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Question

Solve :

9x73x+5=3x4x+6

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Solution

9x73x+5=3x4x+6

By cross multiplication,

(9x7)(x+6)=(3x4)(3x+5)9x2+54x7x42=9x2+15x12x20 9x2+54x7x9x215x+12x=20+42 66x22x=22 44x=22 x=2244=12Hence x=12 Ans.


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