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Answer:
Constant: A constant can be defined as a fixed value, which is used in algebraic expressions and equations. A constant does not change over time and has a fixed value. For example, the size of a shoe or cloth or any apparel will not change at any point.
In an algebraic expression, x+y = 8, 8 is a constant value, and it cannot be changed.
Variables: Variables are the terms which can change or vary over time. It does not remain constant, unlike constant. For example, the height and weight of a person do not remain constant always, and hence they are variables.
In an algebraic expression, x+y = 8, x and y are the variables and can be changed.
Step-by-step explanation:
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Answer:
Variable is a alphabetical letter and can change its value in respect to the equation.
EG-: x y z
2x²+6y
in this equation x and y both are variables
Constant is an number. its value is same throughout the equation
EG-: -3, 4 ⅞ etc.
3+4y
in this equation 3 and 4 are Constants