SOLUTION: Twice a number +3 times it’s reciprocal is seven. Find the number

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Question 1135796: Twice a number +3 times it’s reciprocal is seven. Find the number
Found 3 solutions by josgarithmetic, MathLover1, ikleyn:
Answer by josgarithmetic(39621)   (Show Source): You can put this solution on YOUR website!
n, "a number"

?

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Twice a number +3 times it’s reciprocal is seven. Find the number
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?


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Twice a number PLUS 3 times it’s reciprocal is seven. Find the number
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Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
let a number be
then it’s reciprocal is

Twice a number:
+3 times it’s reciprocal:
is seven:

............solve for

........both sides multiply by






solutions:






Answer by ikleyn(52817)   (Show Source): You can put this solution on YOUR website!
.
Twice a number +3 times it’s reciprocal is seven. Find the number
~~~~~~~~~~~~~~~~~~~~


            Your formulation is  TOTALLY  WRONG  since you  INCORRECTLY  USE  " it's ".

            The correct formulation is 

              Twice a number +3 times  its reciprocal  is seven. Find the number

            It seems to me that it was explained  MANY  TIMES  to you in this forum.
            Why you still did not learn it ?


Solution 

2x +  = 7    ===================>


2x^2 + 3 = 7x  ===================>


2x^2 - 7x + 3 = 0


 =  =  = .


There are two answers:  The number   3  and  the number  .


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