Youtor
Algebra Substitution in Maths
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=K16dLKw2oMo
This video explains substitution in maths within the topic of algebra and what it means to evaluate an expression. Practice questions are at the end of the video. • Skip to: • 00:00 Introduction • 00:22 What does substitution mean in maths? • 01:14 Substitution example with one variable • 02:05 Substitution example with two variables • 02:37 Substitution example where a variable appears more than once • 03:05 Practice questions and answers
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