SOLUTION: 5/x + 7/6 = 4/(x-4), solve for x.
I am confused as to how I come up with the LCD for these to be able to solve for x
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Question 172130: 5/x + 7/6 = 4/(x-4), solve for x.
I am confused as to how I come up with the LCD for these to be able to solve for x
Found 2 solutions by josmiceli, solver91311:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
If you multiply each side by ,
that will guarantee that no fractions will
be left
Use quadratic formula
and
I checked both answers, and they look right
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Your 3 denominators are x, 6, and (x-4). Not a common factor among them. You are stuck with using the product of the three, namely
The good news is, once you apply the LCD to all three fractions, you can simply eliminate the denominators by multiplying both sides of the equation by the LCD. You only have to deal with the numerators.
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