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4a-3b+1+6a-5b-2

 Feb 24, 2017
 #1
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4a-3b+1+6a-5b-2  =

 

[ 4a + 6a]  +  [ -3b - 5b]  + 1 - 2  =

 

10a  -  8b   -  1

 

 

cool cool cool

 Feb 24, 2017

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