Monday, May 13, 2013

Solve: y/5+y/2=7

y%2F5%2By%2F2=7 

%28y%2F5%29%282%2F2%29%2B%28y%2F2%29%285%2F5%29=7%282%2F2%29%285%2F5%29 
%282y%29%2F10%2B%285y%29%2F10=70%2F10 
Now we multiply every term by 10 

2y+5y=70
7y=70
y=10 

:)
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