SOLUTION: Solve 5/7+1/4=1/x, and what does x=?

Question 397927: Solve 5/7+1/4=1/x, and what does x=?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve 5/7+1/4=1/x, and what does x=?
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lcm of 7,4,x is 28x
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Multiply thru by 28x to get:
20x + 7x = 28
27x = 28
x = 28/27
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Cheers,
Stan H.
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