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Home > PC > Chapter 7 > Lesson 7.3.3 > Problem 7-120


Kiara was trying to solve the problem . She originally made the substitution .

  1. What new equation did she get?

  2. She decided that she needed to make another substitution using the variable . What would be a good substitution to make?


  3. What is Kiara’s equation now?

  4. If she had done the substitution in one step, what would equal?