what is the value of an expression?
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Expressions
Examples of expressions are:
algebraic expressions
x + 3, 2y - 5, 3x², 4xy + 7 etc.
You can form many more expressions. As you know expressions are formed from variables and constants.
The expression 2y – 5 is formed from the variable y and constants
and 5.
The expression 4xy + 7 is formed from variables x and y and constants 4 and 7.
We know that, the value of y in the expression, 2y-5, may be anything.
Actually countless different values. The value of an expression
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