SOLUTION: Six divided by the difference of a number and 2,minus 5 divided by a number plus 2, equals 2 times the reciprocal of the difference of the number squared and 4. What is the​
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Question 1080276: Six divided by the difference of a number and 2,minus 5 divided by a number plus 2, equals 2 times the reciprocal of the difference of the number squared and 4. What is the number?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
6/(n-2),
.
.
(6/(n-2))-5/(n+2),
.
-
Multiply both sides by simplest common denominator ;
,
-
check
6/(-20-2)-5/(-20+2)=2/((-20)^2-4)
6/(-22)-5/(-18)=2/(400-4)
-3/11+5/18=2/396
5/18-3/11=1/198
LCD 198
.
0.005050505 and 0.0050505050
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