The Idea Of A Variable

Variable- It is an unknown quantity that changes according to the situation.
Example: In the expression 7x + 5, x is the variable.

To show a variable, we may utilize any letter as n, m, l, p, x,y, z, and so forth.

Review that a variable is a number, which doesn’t have a fixed value. It can take on different values.

For instance, the number 10, or the number 100 or some other given number is definitely not a variable. They have fixed values. Essentially, the number of corners of a quadrilateral is fixed; it is likewise not a variable.

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