If 1/6 ! + 1/7 ! = x / 8 !, find x?

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Sarvajeet Kumar

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Take 1/6! common we get 1 + 1/7 = x/56, x = 64.
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1/6! +1/(7x6!) =1/(8x7x6!). Take LCM and solve will get x=64.
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