1. Two –Step Equations
Pre-Algebra Mrs. Yow

2. What can you accomplish in two-steps???

3. We can solve equations like this…….
HOW????

4. Steps: Using the inverse operation, get rid of the + or –
Using the inverse operation, get rid of the x or

5. In other words…..
Isolate the variable TERM
Isolate the VARIABLE

6. Let’s work a few!
1. Undo adding/subtracting
2. Undo mult/division

7. Let’s work a few!
1. Undo mult/division
2. Undo add/subtraction

8. Let’s work a few!
1. Undo adding/subtracting
2. Undo mult/division

9. Let’s work a few!
1. Undo adding/subtracting
2. Undo mult/division

10. Let’s work a few!
1. Undo adding/subtracting
2. Undo mult/division