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Math Help: Evaluating expressions

Refresh your competency in the various areas of Mathematics.

EVALUATING EXPRESSIONS

In this module you can study how to substitute numbers into algebraic expressions.

 

The above video from Khan Academy explains how to evaluate expressions with one variable.

The above video from Khan Academy explains how to evaluate expressions with two variables.

Did you know?

An expression is not an equation.

You cannot solve an expression; you can only simplify it or evaluate it.

Some people try adding "= 0 " to the end of an expression when they want to "solve" it, but you cannot solve an expression. 


Study and practice

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evaluating expressions
algebraic expressions

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