Unit 6, Lesson 2# Truth and Equations

Open Up Resources 45 min(s)

Understand that an equation can be true or false. Understand that, in an equation with a variable, a value substituted for the variable that makes the equation true is called a solution to the equation. Use substitution to determine whether a given number in a specified set makes an equation true. Understand that a letter standing in for a number is called a variable.