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Home > A2C > Chapter 6 > Lesson 6.2.2 > Problem 6-72


Let . Rewrite the equation so that it begins with . Think about how you defined if you get stuck. Put a large box around both equations. Do the two equations look the same? Do the two equations mean the same thing? Are they equivalent? How do you know? This is very important. Think about it, and write a clear explanation.

Remember that is equivalent to .