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2007 iTest Problems/Problem 22: Revision history

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10 January 2019

7 October 2014

  • curprev 21:2821:28, 7 October 2014 Timneh talk contribs 687 bytes +687 Created page with "== Problem == Find the value of <math>c</math> such that the system of equations <cmath> |x+y|=2007 \\ |x-y|=c</cmath> has exactly two solutions <math>(x,y)</math> in real numbe..."
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