9 to the x-5 power=27

Mathematics

2 answers:

zhannawk [14.2K]2 years ago

7 0

$9^{x-5} =27 \\\\ 3^{2(x-5)}= 3^3 \\\\ 2(x-5)=3 \\\\ 2x-10=3 \\\\ 2x=3+10 \\\\ 2x=13 \\\\ \boxed{x=\frac{13}{2}}$

mars1129 [50]2 years ago

7 0

$9^{x-5}=27\\
3^{2(x-5)}=3^3\\
2(x-5)=3\\
2x-10=3\\
2x=13\\
x=\frac{13}{2}$

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