Wednesday, 8 March 2017

[What's next] Equations (Concepts) Preparation of next lesson

Do take some time to watch the video clips to see if the notion of balancing equation (concept) is clear to you.

You will be hearing words like "balancing",  "add/ subtract to both sides", "multiply/ divide both sides by". 
From now, we shall refrain from using words like layman operations like "moving", "cancelling", "changing the sign"

Basic concepts of Balancing Equations

E.g. 1: Solve x + 35 = - 20

E.g. 2: Solve x  = 935

E.g. 3: Solve 9x - 8 = 73

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