Question 1028824
{{{3^(2n+1)=81}}}
{{{3^(2n+1)=3^4}}}
{{{2n+1=4}}}
{{{2n=3}}}
{{{n=3/2}}}
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{{{log((4))+log((z+3))=2}}}
{{{log((4(z+3)))=2}}}
{{{4z+12=100}}}
{{{4z=88}}}
{{{z=22}}}