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Home > CCA > Chapter 1 > Lesson 1.1.3 > Problem 1-28


 Solve the equations below for and check your solutions.  

  1. Add to both sides.

    Add to both sides.

    Divide both sides by .

    Substitute back into the original equation.

    It works!

  1. Refer to part (a).

  1. Use the same method as parts (a), (b), and (c). Make sure to check your answer as shown in part (a).