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   Someone Help! I'm not sure if it's correct. Thanks! 

 Dec 22, 2017

Best Answer 

 #1
avatar+101771 
+2

The second one is addition .... not simplification

The other all look correct :)

 Dec 22, 2017
 #1
avatar+101771 
+2
Best Answer

The second one is addition .... not simplification

The other all look correct :)

Melody Dec 22, 2017

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