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PPT – Solving Multi-Step Inequalities PowerPoint presentation | free to download - id: 124163-MzQ4N

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ObjectiveThe student will be able to

solve two-step equations. SOL A.4bdf

Designed by Skip Tyler, Varina High School

To solve two-step equations, undo the operations

by working backwards.

- Recall the order of operations as you answer

these questions. - Dividing by 2
- Subtracting 3

- Example
- Ask yourself,
- What is the first thing we are doing to x?
- What is the second thing?

To undo these steps, do the opposite operations

in opposite order.

Use a DO-UNDO chart as a shortcut to answering

the questions. In the table, write the opposite

operations in the opposite order

- Draw the river
- Add 3 to both sides
- Simplify
- Clear the fraction -Multiply both sides by 2
- Simplify
- Check your answer

- DO UNDO
- 2
- -3
- Follow the steps in the undo column to isolate

the variable.

3 2

3 3

- 4 x -8 -4 3 -7

2 2

1) Solve 2x - 1 -3

2 - 1

1 2

1 1 2x -2 2

2 x -1 2(-1) - 1 -3 -2 1 -3

- Draw the river
- Add 1 to both sides
- Simplify
- Divide both sides by 2
- Simplify
- Check your answer

2) Solve

3 - 4

4 3

4 4 3 3 x

36 12 4 8

- Draw the river
- Add 4 to both sides
- Simplify
- Clear the fraction -Multiply both sides by 3
- Simplify
- Check your answer

3) Solve 3y 1 8

- y 3
- y -3
- y
- y

3) Solve

- 4 2

2 4

- Draw the river
- Clear the fraction - Multiply both sides by 2
- Simplify
- Add 4 to both sides
- Simplify
- Check your answer

d 4 6 4 4

d 10

4) Solve

- d -7
- d -19
- d -17
- d 17

5) Solve

-7 3

- 3 -7

Do/Undo Chart This one is tricky! Remember to

always use the sign in front of the number.

-3 -3

a 35

- Draw the river
- Subtract 3 from both sides
- Simplify
- Clear the fraction Multiply both sides by -7
- Simplify
- Check your answer

6) Solve 5z 16 51

- z -35
- z -7
- z 35
- z 7

7) Solve

3 5 1

- 1 5 3

- 1 - 1 5 5

3x 15 3 3 x 5

- Draw the river
- Subtract 1 from both sides
- Simplify
- Clear the fraction -Multiply both sides by 5
- Simplify
- Divide both sides by 3
- Simplify
- Check your answer

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For a small fee you can get the industry's best online privacy or publicly promote your presentations and slide shows with top rankings. But aside from that it's free. We'll even convert your presentations and slide shows into the universal Flash format with all their original multimedia glory, including animation, 2D and 3D transition effects, embedded music or other audio, or even video embedded in slides. All for free. Most of the presentations and slideshows on PowerShow.com are free to view, many are even free to download. (You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.) Check out PowerShow.com today - for FREE. There is truly something for everyone!

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