1. Solving One-Step Equations
Addition, Subtraction, Multiplication, & Division

2. The good news is you already know everything you need to know to solve equations.
To undo addition, you subtract.
To undo subtraction, you add.
To undo multiplication, you divide.
To undo division, you multiply.
Any fraction times it’s reciprocal equals 1.

3. Don’t forget:
What ever you do to one side of the equation, you must do to the other side of the equation.
Put your variable on one side of the equation by itself so you know what it equals.

4. Addition -4 -4

5. Subtraction +2 +2

6. Multiplication 1 4 4 1

7. Division 1 1

8. Multiplication by Fractions
Multiply by the reciprocal or divide by the fraction. Same thing. 1 1 8 1 1 1