anonymous
  • anonymous
Solve the equation 3/2 - 1/x-4 = -2/2x-8 . Use complete sentences to explain how you solved this equation.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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cwrw238
  • cwrw238
first you find the LCD of 2, x-4 and 2x-8 do you know why this is?
anonymous
  • anonymous
is it 2 ?
anonymous
  • anonymous
hello ? lol

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cwrw238
  • cwrw238
no LCD is the lowest common denominate r that means the lowest term into which each term will divide here it is 2x - 8 2x - 8 / 2 = x -4 2x - 8 / x - 4 = 2 and of course 2x - 8 / 2x - 8 = 1
anonymous
  • anonymous
so all the terms will go into 2x-8 ?
cwrw238
  • cwrw238
all the denominators will so we multiply through by 2x - 8:- |dw:1372281835644:dw|
cwrw238
  • cwrw238
oooh - thats a illy mistake of mine look at the second term it should be 1 * 2 NOT 1 * x - 4
cwrw238
  • cwrw238
so this reduces to 3(x - 4) - 2 = -2 which is easy to solve
cwrw238
  • cwrw238
do you understand the mistake i made?
anonymous
  • anonymous
i got x=4
cwrw238
  • cwrw238
right
anonymous
  • anonymous
thanks
cwrw238
  • cwrw238
hold it - 4 cannot be a solution because 1 / x -4 = 1 /4 - 4 = 1/0 which has no value there are NO solutions to this equation

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