1. Name the property that Justifies each step in the simplification below.

Question

1/2[(x+2)+(-x)]=1/2[-x+(x+2)]             a.__?__
                       =1 /2[(-x=x)+2)]            b.__?__
                       = 1/2(0+2)                     c.__?__
                       = 1/2*2                          d.__?__
                       =1                                  e.__?__

My answers

a. Communitive Property 
b.Assotiative Property
c. equavelent expression
d. Multiplication Property 
E. i don't know

I don't think that all my answers r right can you please help me!!!!!

Steve · Answer

a,b,c look ok d: where is the multiplication? I think equivalent again, since 0+2=2 e: also not sure. no transformation is invilved; just straight multiplication.