natcowart
natcowart
01-11-2014
Mathematics
contestada
9 to the x-5 power=27
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mariamikayla
mariamikayla
01-11-2014
[tex]9^{x-5} =27 \\\\ 3^{2(x-5)}= 3^3 \\\\ 2(x-5)=3 \\\\ 2x-10=3 \\\\ 2x=3+10 \\\\ 2x=13 \\\\ \boxed{x=\frac{13}{2}}[/tex]
Answer Link
konrad509
konrad509
01-11-2014
[tex]9^{x-5}=27\\ 3^{2(x-5)}=3^3\\ 2(x-5)=3\\ 2x-10=3\\ 2x=13\\ x=\frac{13}{2}[/tex]
Answer Link
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