SOLUTION: I need help with this radical expression problem please. (5)/(2x)-(4)/(x)=-3

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Question 307556: I need help with this radical expression problem please.
(5)/(2x)-(4)/(x)=-3

Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
Do you mean "rational equation"???

The LCD for this is 2x, so multiply both sides by 2x:
2x%2A%285%2F2x%29-2x%2A%284%2Fx%29=2x%28-3%29
5-8=-6x
-3=-6x

Divide both sides by -6
%28-3%29%2F%28-6%29=%28-6x%29%2F%28-6%29
1%2F2=x

Dr. Robert J. Rapalje, Retired