Learn how to use the **Algebra Calculator** to evaluate expressions.

### Example Problem

**Evaluate the expression 2x for x=3.**### How to Evaluate the Expression in Algebra Calculator

First go to the Algebra Calculator main page.

Type the following:

- First type the expression
**2x**. - Then type the
**@** symbol. - Then type
**x=3**.

Try it now:

**2x @ x=3**### Clickable Demo

Try entering

2x @ x=3 into the text box.

After you enter the expression, Algebra Calculator will evaluate 2x for x=3: 2(3) = 6.

### More Examples

Here are more examples of how to evaluate expressions in Algebra Calculator.
Feel free to try them now.

### Need Help?

Please feel free to

Ask MathPapa if you run into problems.

### Related Articles