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

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you have to deduce the variable and evaluate the expression.

Evaluate using PEMDAS

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

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It is done by substituting the values of the variables in the expression and then hope that you are capable of evaluating the result.

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you have to deduce the variable and evaluate the expression.

To find the value of an algebraic expression is to evaluate it.

You have to substitute a value for the letter variable in the expression. This is what we call evaluating the algebraic expression. An example would be 3x+1=7, when x=2.

You have to substitute a value for the letter variable in the expression. This is what we call evaluating the algebraic expression. An example would be 3x+1=7, when x=2.

to simplify!!* * * * *No. It is to EVALUATE.

When the value of a variable in an algebraic expression changes, the value of the expression can change.

Take the value of each variable in the expression and replace the variable by its value. Then do the math!

Evaluate using PEMDAS

to solve for the variable

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

evaluate. : )

You have to substitute a value for the letter variable in the expression. This is what we call evaluating the algebraic expression. An example would be 3x+1=7, when x=2.

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