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Firstly, the person expands 5(x-7) into 5x - 35. Next, they add 35 to both sides of the equation to remove -35 from the left side, getting 5x=-15+35, or 5x=20. They simply divide both sides by 5, getting x=4

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Login to your Padlet account (if you have already registered with your SST email address)

If not, remember to enter your name in the title of the first post you put up under your index number.

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Technical Guide: How to Record your Screen in QuickTime Player on Mac

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Technical Guide: How to Record your Screen in QuickTime Player on Mac

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How to Record your Screen in QuickTime Player on Mac

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Algebra   Solving Equations Algebraic Fractions 02

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You may use as many of these words (related to algebra) as possible in your explanation.

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Below are 3 clips that show how equations (of different tiers) are solved systematically.

However, it is incomplete without a voice over.

Your Task

Choose a Tier that you think you could manage yet challenging enough 😅

To explain how the equation is solved by applying the balancing concept.

Step-by-step instruction

1. Watch the silent clip

2. Plan the explanation. You may refer to textbook p126-127, p128 (e.g. 1), p130 (e.g. 2)

3. Use QuickTime Player (or any equivalent screen recording software)

4. Record your explanation (remember to ensure that the microphone is "ON")

5. Upload the clip to the padlet