\ \
The system of equations are \ \
Cramers Rule for three equations containing three variables : \ \
\Consider a system of linear equations as \ \
,
,
and
. \ \
The solutions of the system are ,
and
. \ \
\ \
\Find the determinant . \ \
\ \
. \ \
\ \
\Find the value of . \ \
\ \
Since if all the entries in any row or column is equal to , the value of the determinant is
. \ \
. \ \
Find the value of . \ \
\ \
. \ \
Find the value of . \ \
\ \
. \ \
\ \
\Find the value of . \ \
Substitute and
in
. \ \
. \ \
Find the value of . \ \
Substitute and
in
. \ \
. \ \
Find the value of . \ \
Substitute and
in
. \ \
. \ \
The solution of system of equations is . \ \
\ \
\The solution of system of equations is .