A Complete Tutorial on How to Substitute in Formula  / Algebraic Substitution in Formula

Welcome to this complete Tutorial on How to Substitute in Formula or Algebraic Substitution in Formula. Let us consider the statement below:

If p = 4, k = -1 and d = 7, what is the value of 5d -2k + 7( -2p ) ? Substitute! So what is substitution?
Substitution is the act or process of replacing a letter with a number. This video teaches a simple approach of how to substitute values in algebraic expressions and then evaluate carefully to arrive at accurate results . To accurately substitute in formula, you really need to properly understand BODMAS, PEMDAS or PEDMAS. 12 - 3 + 9 = ? Will your answer be 0 or 18.

Use the link below to watch the video on how to carry out order of operation when there are many operations including Addition, Subtraction, Multiplication and Division.

   • How to Carry Out Order of Operations  


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