The equation is
.
(Apply logarithm from each side)
Apply power property of logarithm:
.

Divide each side by
.


Substitute:
.

(Divide:
)
Subtract 0.8271t from each side.
\

Add 2 to each side.
\

(Take out common factor t)
Divide each side by
.

(Subtract:
)
(Divide:
)
The value of
.