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26 Apr 2010, 05:45
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Can someone please share the process/method of solving an absolute equation of this sort?
Q: when is absolute(x-4) equal to 4-x ?
I realize that one can try positive/negative/fractional values and see what fits the criteria, but I am hoping for a more methodical approach that shows the underlying logic.
Q: when is absolute(x-4) equal to 4-x ?
I realize that one can try positive/negative/fractional values and see what fits the criteria, but I am hoping for a more methodical approach that shows the underlying logic.
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26 Apr 2010, 06:02
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gurpreetsingh
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26 Apr 2010, 10:20
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sher676
|x-4| = 4-x
as |x-4| > 0 ==>|x-4| = 4-x will when 4>x
