Loading [MathJax]/jax/output/SVG/config.js
 
+0  
 
0
789
1
avatar
20x+7+(-8x)
 Oct 30, 2013
 #1
avatar+118704 
0
20x+7+(-8x)

20x+7+-8x

20x+7-8x

20x-8x+7

can you finish it?
 Oct 31, 2013

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