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posted by Beth on Tuesday, February 28, 2012 at 1:49pm.
solve for x log4 64+ log2 2 ________________ =x log3 81
4^3 = 64, so log_{4}64 = 3 2^1 = 2, so log_{2}2 = 1 3^4 = 81, so log_{3}81 = 4 and you end up with 3+1 ------ = x 4 x=1
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