5n-4n-50=1725 +50 +50 5n-4n=1775 :( :?
T ting Junior Member Joined Sep 18, 2005 Messages 87 Oct 19, 2005 #2 5n-4n-50=1725 +50 +50 5n-4n=1775 Ok Well done! Next step n = 1775
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