Sunday, May 26, 2013

Solve 7+5|c|≤1-3|c|

%0D%0A7%2B5abs%28c%29%3C=1-3abs%28c%29%0D%0A 


%0D%0A5abs%28c%29%2B3abs%28c%29%3C=1-7%0D%0A 

%0D%0A8abs%28c%29%3C=-6%0D%0A 

W can stop immediately because the absolute value can never be negative so this inequality has no solution 

:) 
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