SOLUTION: 2/3^x= 81/16 Please help solve.

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Question 381801: 2/3^x= 81/16 Please help solve.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2/3^x= 81/16
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(2/3)^x = (16/81)^(-1)
(2/3)^x = [(2/3)]^-4
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x = -4
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