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Section 3.4: Solving Equations with Variables on Both Sides Algebra 1 Ms. Mayer.

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Presentation on theme: "Section 3.4: Solving Equations with Variables on Both Sides Algebra 1 Ms. Mayer."— Presentation transcript:

1 Section 3.4: Solving Equations with Variables on Both Sides Algebra 1 Ms. Mayer

2 Things to remember when solving equations with the variable on both sides: 1. Distribute right away if necessary!!! 2. Combine like terms on the same side of the equation if necessary!!! 3. Always start by getting the variable on the same side!!! - Add or subtract the term with the variable from both sides of the equation. - When doing this you can only add or subtract like terms!!! 4. Use inverse operations to solve for the variable!!! 5. Always multiply or divide as the last step!!!

3 Examples to discuss: Don’t have to distribute or combine like terms!!! Solve each equation. Remember get the variable on the same side of the equation!!! 7x + 15 = -2x + 60130 – 4y = 6y

4 More examples to discuss: You have to combine like terms 1st!!! Solve each equation. Remember to combine like terms 1 st !!! 3x – 10 + 4x = 5x – 7

5 More examples to discuss: You have to combine like terms 1st!!! Solve each equation. Remember to combine like terms 1 st !!! –x + 6 – 5x = 14 – 2x

6 More examples: Solve each equation. 15 – 2y = 3y

7 More examples: Solve each equation. r – 2 + 3r = 6 + 5r

8 More examples: Solve each equation. 34 – 3x = 14x

9 Try these problems: Solve each equation. 1. 5y – 2 = y + 102. 6x + 3 = 8 + 7x + 2x

10 Work on This: Common Core Workbook Pages 31-32


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