
Cecilia M. answered 10/27/20
Experienced Teacher Specializing in Mathematics for ages 3 - 50+
If x = 2, then 4x = 8. Substitution
If 8 = 4x and 4x = m, then 8 = m. Transitive
If T = 4, then 5T + 8 = 28. Substitution
6 = 5a; therefore, 5a = 6. Symmetric