This problem is the checkpoint for rewriting equations with more than one variable. It will be referred to as Checkpoint 8A.

Solve each equation for the indicated variable.

Check your answers by referring to the Checkpoint 8A materials located at the back of your book.

Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 8A materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.