Addition Property
If a=b, then a+c=b+c
Subtration Property
If a=b, then a-c=b-c
Multiplication Property
If a=b, then ac=bc
Division Property
If a=b, then a/c=b/c
Reflexive Property
For any real number a, a=a
Symmetric Property
If a=b, then b=a
Transitive Property
If a=b and b=c, then a=c
Substitution Property
If a=b, then a may be substituted for b iin any equation or expression