Sunday, May 26, 2013

Solve: abs(2x-5)<=8

abs%282x-5%29%3C=+8 


which means 
%0D%0A-8%3C=2x-5%3C=8%0D%0A 


Now we simplify... 



%0D%0A-8%2B5%3C=2x-5%2B5%3C=8%2B5%0D%0A 


%0D%0A-3%2F2%3C=%282x%29%2F2%3C=13%2F2%0D%0A 




%0D%0A-3%2F2%3C=x%3C=13%2F2%0D%0A 


:) 
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