2. Solving One-Step Equations © 2007 by S - Squared, Inc. All Rights Reserved.

3. Equation: one expression equal to another expression Example : 3x is a variable expression 9 is a numerical expression 3x = 9 is an equation

4. GOAL: To find the value(s) of the variable that make an equation true. Solve:3x = 9 Solution: x = 3 Example :

5. To solve an equation, use INVERSE operations to isolate the variable Addition Multiplication Division Subtraction INVERSE

6. Divide by 4 ___

7. Solve: Multiply by 3 3 3 3 3 3

8. Subtract 7

9. Solve: Add 9 + 9

10. Practice will become success I am confident in my ability