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Let y = log2(x). Rewrite the equation so that it begins with x = . Think about the definition of y = log2(x) if you get stuck. 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. Homework Help ✎

Remember that logbx = y is equivalent to by = x.

x = 2y