Which of the following is a solution to
8
(
5
x
+
15
)
−
5
=
123
\displaystyle {8}{\left({5}^{{{x}+{15}}}\right)}-{5}={123}
8
(
5
x
+
15
)
−
5
=
123
?
log
16
(
5
)
+
15
\displaystyle {{\log}_{{16}}{\left({5}\right)}}+{15}
lo
g
16
(
5
)
+
15
log
5
(
16
)
−
15
\displaystyle {{\log}_{{5}}{\left({16}\right)}}-{15}
lo
g
5
(
16
)
−
15
log
16
(
15
)
−
5
\displaystyle {{\log}_{{16}}{\left({15}\right)}}-{5}
lo
g
16
(
15
)
−
5
log
5
(
15
)
−
16
\displaystyle {{\log}_{{5}}{\left({15}\right)}}-{16}
lo
g
5
(
15
)
−
16
log
15
(
16
)
+
5
\displaystyle {{\log}_{{15}}{\left({16}\right)}}+{5}
lo
g
15
(
16
)
+
5
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