Log11 1/121=-x-4 stupid math

asked Dec 13, 2015 196k views

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$log_(11)(1)/(121)=-x-4\\ \\ log_(11)11^(-2)=-x-4\\ \\ 11^(-x-4)=11^(-2)\\ \\ -x-4=-2\\ \\ -x=-2+4\\ \\ -x=2\\ \\ \boxed{x=-2}$

Paul Drummond answered Dec 15, 2015

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$log_(11)121=-x-4\\\\log_(11)11^2=-x-4\\\\2=-x-4\\\\x=-4-2\\\\x=-6$

Yarbelk answered Dec 18, 2015

8.9k points

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