# Solving an equation with $x$ as powers

How would I go about solving $$2^x -2^{x-2}=3 *2^{13}$$Hints please. Thank you.

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## 1 Answer

HINT: Factor: $2^x-2^{x-2}=2^{x-2}(2^2-1)$.

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I just solve it before you posted your hint. Thanks anyway) –  Koba May 6 '13 at 20:00
@Dostre: You’re welcome. (And good.) –  Brian M. Scott May 6 '13 at 20:05