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Question

Solve the following equation:
(1+12x)log3+log2=log(27x3)

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Solution

(1+12x)log3+log2=log(2723)log3(1+12x)+log2=log(27x3)2(3)(1+12x)=27x36(13x)12=27(31x)(31x)+6(31x)1227=0(312x+9)(312x3)=0

Therefore, 312x=9,3

312x never be 0

Therefore 312x=312x=1x=12


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