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OpenStudy (anonymous):
Solve. 81^x = 27^(x + 2)
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OpenStudy (lgbasallote):
81^x = 27^(x+2) (3^4)^x = (3^3)^(x+2) 3^(4x) = 3^(3x + 6) 4x = 3x + 6 x = 6
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