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# Pre-Alg 5.5 Equations with Mixed Operations

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### Pre-Alg 5.5 Equations with Mixed Operations

1. 1. Pre-Algebra Lesson 5.5 Equations with Mixed Operations
2. 2. Go to this site: http://www.add2nb.com/ Equations with Mixed Operations
3. 3. Solve for x: 3x + 5 = 23 To solve the equation above, what steps should be done? First step Second Step
4. 4. P E MD AS SA DM E P
5. 5. PEMDAS vs. SADMEP Simplify Solve Expressions Equations Example: (3 + 4) 3 2 x 3 Example: - 5 = -6
6. 6. Solve = get it by itself
7. 7. Steps to solving equations: 1. Combine like terms on each side of the equal sign. 2. Move terms to the correct side by using SADMEP 3. Simplify using Inverse Operations
8. 8. Solve: x 3 - 10 = -2 1. combine 2. move 3. Simplify
9. 9. Solve: 3n = 64 - 5n 1. combine 2. move 3. Simplify
10. 10. Solve: 9 + 5x - 3x = 10 + 13 1. combine 2. move 3. Simplify