Question 387338
(7-z/z-5) - (7z-8/5-z) 
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Re-write:
(7-z/z-5) + (7z-8/z-5)
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Now the denomiators are the same:
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= [7-z+7z-8]/(z-5)
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= [6z-1]/[z-5]
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Cheers,
Stan H.