Variables are letters or other symbols used to represent unknown numbers in algebraic equations and expressions. We can say: A variable is a letter or symbol that represents a quantity that can vary. For example x, y or a or whatever you choose. A variable can represent an unknown number in an equation.
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Answer:
Variables
Step-by-step explanation:
Variables are letters or other symbols used to represent unknown numbers in algebraic equations and expressions. We can say: A variable is a letter or symbol that represents a quantity that can vary. For example x, y or a or whatever you choose. A variable can represent an unknown number in an equation.