1. Solving Equations Medina1 Variables on Both Sides

2. Steps to solve Medina2 4. Undo addition or subtraction You may not have to do all the steps to solve the equation “You know you are done solving when there is a positive 1 in front of the variable.” 5. Undo multiplication or division 1. Use distributive property on each side 2. Combine like terms on each side get the letter by itself variable 3. Get the variable on one side

3. Solving Equations with Algorithm Medina3 Original problem Subtract 3x from both sides Check answer Combine like terms Add 6 to both sides Simplify Divide both sides by 3 To Solve:

4. Solving Equations with Algorithm Medina4 Check:

5. Solving Equations with Algorithm Medina5 To Solve: Original problem Subtract 3x to both sides Check answer Combine like terms Divide both sides by 3 Distributive Property Simplify Subtract 12 to both sides Simplify

6. Solving Equations with Algorithm Medina6 Check: