Previous Topic	Term    : 1        Introducing Algebra (Algebra I ) Module : 1 - Capturing Data  Unit      : 3 - Thinking With Algebra  - Understanding Variables -   Operations on Variables
	Since variables represent numbers, we can treat them as such and perform operations like addition, subtraction, multiplication, etc. If the variable A has the value of 1, we can add 2 to A and get A + 2 which is equal to 1 + 2 = 3. If the variable B has the value of 3, we can subtract it from 4 and get 4 - B which is equal to 4 + 3 = 1. If the variable B has the value of 5, we can multiply it by 2 get (B x 2) or 2B which is equal to 2 x 5 = 10.
	We can also perform mixed operations on variables. If a variable has the value of 1, we can multiply it by 3 and then add 5 to get (A x 3) + 5   or  3A + 5 which is  3 x 1 + 5 = 8.
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