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Q: Describe how to evaluate a variable expression?
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Related questions

To evaluate a variable expression you must do what to values for the variable?

You must substitute values for the variable.


What do you need to be given to evaluate an algebraic expression?

A variable


How do you evaluate the expression P86?

If it is a variable-name, then just fetch the value of the variable.


How do you evaluate variable expressions?

To evaluate a variable expression, replace all the variables with numbers and simplify the resulting numerical expression. 3m for m = 9 3(9)=27


What must you do to evaluate a variable expression?

you have to undo what ever's being done to the variable :p


How do you find a specific numerical value for an algebraic expression?

you have to deduce the variable and evaluate the expression.


Evaluate the variable expression for x equals 3?

Take 3 and substitute into the expression given to you but not mentioned in the question here and evaluate the expression. "Sub and Solve" I say.


When you replace the variable with a number and perform the operations you blank an expression?

evaluate.


Replacing each variable with a number in an expression and simplifying the result?

Evaluate


What is an algebra expression you replace each variable with a number?

evaluation, evaluate.


How do you evaluate an algebraic expression when I know the value of each variable?

Replace each variables in the algebraic expression by its [known] value and calculate the value (ie evaluate) of the algebraic expression.


How do you evaluate a math expression?

The evaluate a algebraic math expression you first must substitute a number for each variable. Then you must perform the operation in the correct order.