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Subject:  Precalculus

Solve 2ˣ = 32

Use logarithms to isolate the unknown exponent.

Answer x = 5

Solution

  1. Equation 1·2^x = 32
  2. Isolate the power 2^x = c / a = 32
  3. Take logarithms x = ln(32) / ln(2)
  4. Solve x = 5

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