SOLUTION: Solve for x : (1/3)^x = 81^1-x
-> SOLUTION: Solve for x : (1/3)^x = 81^1-x
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Solve for x : (1/3)^x = 81^1-x
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==> -x = 4(1-x)
==> -x = 4 - 4x
==> 3x = 4
==> x = 4/3.