1.07 Algebraic Properties & Equations Essential Questions After completing this lesson, you will be able to answer the following questions: How are algebraic properties applied in the steps to solving equations? How are equations created from context and used to solve real world problems? Main Idea Definition or Summary Example Algebraic Expression An algebraic expression is a ____________ but has nothing to __________. 2x+3 or x ? 4 Create your own: Equation An equation is _____________ set ________ to each other. 2x + 4 = 12 Create your own: Commutative Property of Addition or Multiplication Numbers can change __________. 2+5 = 5+2 3*2 = 2*3 Create your own: Associative Property of Addition or Multiplication The parenthesis move. 1 + (3 + 2) = (1 + 3) + 2