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Home > CCA > Chapter 4 > Lesson 4.2.4 > Problem 4-73

4-73.

Find all possible values for in each equation. Homework Help ✎

  • Divide by to isolate the .

  • Subtract from and then add to to get both answers.

  • Refer to parts (a) and (b).

  • Refer to parts (a) and (b).