The sum of the reciprocal of a number and the reciprocal of 2 less than the number is 7 times the reciprocal of the original number. find the original number.
(1) Answers
1/n+1/(n-2)=7/n 1/(n-2)=7/n-1/n 1/(n-2)=6/n n=6(n-2) n=6n-12 5n=12 n=12/5
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