College Algebra Notes, Lesson 1.1
Solving Equations
Course Notes Course Home Page Sample Problems for this Lesson
  
Properties of Equality
 
Reflexive Property For any real number a, a = a
Symmetric Property For all real numbers a and b, if a = b, then b = a
Transitive Property For all real numbers a, b, and c, if a = b and b = c, then a = c.
The Equal Rights Amendment for Algebra
 
Property Definition Example Notes
Equal Rights Amendment for Algebra (ERA) Whatever you do to one side of an equation, you must do the same to the other side also
 
 Subtracted 3 from both sides
Equal Rights Amendment for Algebra (ERA) Whatever you do to one side of an equation, you must do the same to the other side also
Divided both sides by 14
Equal Rights Amendment for Algebra (ERA) Whatever you do to one side of an equation, you must do the same to the other side also
Multiplied both sides by 3
Equal Rights Amendment for Algebra (ERA) Whatever you do to one side of an equation, you must do the same to the other side also
Took both square roots of both sides
Equal Rights Amendment for Algebra (ERA) Whatever you do to one side of an equation, you must do the same to the other side also
Squared both sides
 
  Some Notes from Class