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Home > CCA > Chapter 1 > Lesson 1.2.1 > Problem 1-40

1-40.

Solve the equations below for and check your solutions. Homework Help ✎

  • Look at problem 1-36 earlier in this lesson for steps in solving these kinds of problems.

  • Substitute the answer back into the original equation to make sure it works.





    It works!


  • Refer to part (a).