We can help you with most algebra problems, but now with word problems.

Algebrator can not help you with word problems, but it can easily solve ones such as the one you posted on Yahoo Answers.

You start by entering it in an intuitive math editor.

An example using your problem number 2 is described below.

In order to create an equation containing only one variable, we need to substitute the right side of the first equation for x in the second equation.

In our example, all instances of x in the second equation will be replaced by:5.

This explanation can be obtained by clicking on the "Explain" button.

Some Important features are:

1.Flash demos, found under the drop-down menu "Help->Tutors".

The demos are also available online at "https://softmath.com/demos/", where you may simply select any of the ".htm" files and the demo will play within your browser

2. Wizard button - for example, click the Wizard button and look under the category of "Line" to see the many useful templates for exploring linear equations.

3. The Explain button, which provides the mathematical logic involved in the selected step.

Numerical terms in this expression have been added.