SOLUTION: Solve for x and what is the common denominator? There should be a line under each top number. Thank you 1 + 3 = 2 4x 2x x+1

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Question 428587: Solve for x and what is the common denominator? There should be a line under each top number. Thank you


1 + 3 = 2
4x 2x x+1

Answer by stanbon(57226) About Me  (Show Source):
You can put this solution on YOUR website!

1/(4x) + 3/(2x) = 2/(x+1)
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lcd = 4x(x+1)
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Multiply thru by lcd to get:
x+1 + 3*2(x+1) = 2*4x)
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x + 1 + 6x+6 = 8x
x = 7
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Cheers,
Stan H.
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