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
.