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December 21, 2014

December 21, 2014

Posted by **Gregory** on Monday, May 24, 2010 at 7:31pm.

check this please

- college algebra -
**Reiny**, Monday, May 24, 2010 at 7:42pmPlease check your typing, and use brackets to avoid ambiguity.

- college algebra -
**Gregory**, Monday, May 24, 2010 at 7:52pmin the problem there are no brackets

x over x minus x/over x-4 equal -4 over x-4 solve each rational equation if it has no equation state so. simply with necessary

Please help me

- college algebra -
**Reiny**, Monday, May 24, 2010 at 8:03pmSo it is

[x/(2-x)]/(x-4) = -4/(x-4) ?

Where does the third equality come from ?

Can you see why brackets are absolutely necessary here?

ok, first multiply both sides by x-4 to get

x/(2-x) = -4

now multiply both sides by 2-x

x = -4(2-x)

x = -8 + 4x

-3x = -8

x = 8/3

Lastly, what does "...if it has no equation state so. simply with necessary " mean ?

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