Which property justifies this statement?
If x + y = z and z = x + 4, then x + y = x + 4.
A.
symmetric
B.
associative
C.
distributive
D.
transitive
If x + y = z and z = x + 4, then x + y = x + 4.
A.
symmetric
B.
associative
C.
distributive
D.
transitive