what's this?( in algebraic properties): (2 + x) + y = 2 + (x + y)

Question

anonymous · Answer

well what properties do you know? :) try it first

anonymous · Answer

is it ditributive?
@robtobey

anonymous · Answer

no distributive is a(b+c) = a*b + a*c for example. what else. also. distributive is only for multiplication. addition has its own properties

anonymous · Answer

so is it Transitive Property ?

mertsj · Answer

I see that on the left the x is paired with the 2.  On the right, the x is paired with the y.  What property deals with pairing or groupint?

mertsj · Answer

grouping.

mertsj · Answer

(a+b)+c=a+ (b+c)
Look at your properties and see which one it is.

anonymous · Answer

communitve? @Mertsj

anonymous · Answer

@Mertsj ... is it communitive?

mertsj · Answer

noi.  The commutative property says that you can change the order:  
a+b = b+a