Answers

2014-12-26T13:01:03+05:30
Let the no be x
according to question 
x+12 =160(1/x)
x*x +12x -160 = 0
by solving this quardratic equation we get x = 8
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The Brainliest Answer!
2014-12-26T13:10:32+05:30
Sol-     x+12=160/x
          x^2+12x=160
          x^2+12x-160=0
          (x-8)(x+20)=0 
therefore,   x=8 & -20 

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