The equation is
.
Apply division property of equality: If
then
.
Divide each side by 9.
\

Cancel common terms.
\
.
Apply addition property of equality: If
then
.
Add 4 to each side.
\

.
The equation is
.
Divide each side by 8.
\

Cancel common terms.
\
.
Apply subtraction property of equality: If
then
.
Subtract 5 from each side.
\

.
The solution are
with respect to equations
and
.