# If x 37 43 what is x

Learn how to use the **Algebra Calculator** to check your answers to algebra problems.

### Example Problem

**Solve 2x+3=15.**

### Example Answer

**x=6**

### How to Check Your Answer with Algebra Calculator

First go to the Algebra Calculator main page.

Type the following:

- First type the equation
**2x+3=15**. - Then type the
**@**symbol. - Then type
**x=6**.

**2x+3=15 @ x=6**

### Clickable Demo

Try entering 2x+3=15 @ x=6 into the text box.After you enter the expression, Algebra Calculator will plug x=6 in for the equation 2x+3=15: 2(6)+3 = 15.

The calculator prints "True" to let you know that the answer is right.

### More Examples

Here are more examples of how to check your answers with Algebra Calculator. Feel free to try them now.### Need Help?

Please feel free to Ask MathPapa if you run into problems.### Related Articles

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