You may also select an equation from the several examples provided on the
"Choose an Equation" menu.
Once you have entered your equation, the Tutor will balance it for you a step
at a time, and give an explanation for each step it takes. Click "Next Step"
to take a step. At any time, before or after each step, you can ask a question
about the problem by selecting a question from the "Ask a Question" menu and
clicking "Ask". This is often the best way to gain a better understanding of