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4-87.

This problem is a checkpoint for solving for one variable in an equation with two or more variables. It will be referred to as Checkpoint 4B. Homework Help ✎

Rewrite the following equations so that you could enter them into a graphing calculator. In other words, solve for .

Check your answers by referring to the Checkpoint 4B materials.

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 4B materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.

Answers and extra practice for the Checkpoint problems are located in the back of your printed textbook or in the Reference Tab of your eBook. If you have an eBook for CCA2, login and then click the following link: Checkpoint 4B: Solving for One Variable in an Equation with Two or More Variables