When a given set of values for the variables are substituted in the expression the result is the value of the expression.
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It may mean finding the value when the variable (or variables) are replaced by a set of given values.
What does it mean to simplify an algebraic expression?It means to take the problem to the lowest point you can take it to.
Replace each variable in the expression by its value and then find the value of the expression.
The expression (9x) represents a mathematical term where the variable (x) is multiplied by the constant (9). It indicates that for any value of (x), you can find the product by multiplying that value by (9). This expression is often used in algebraic equations and functions to denote linear relationships.
It means find the value of the expression. It cannot be simplified in the way that algebraic expressions usually are.
A constant in an algebraic expression is a number that does not change. For example x + 2 The 2 is a constant (does not change) x is a variable (can take on any value)