The system of equations are ,
and
.
Solve the system of equations by elimination method.
\Step 1:
\Eliminate one variable by using two pairs of equations.
\Add the 2nd and 3rd equations to eliminate a variable.
\\
Step 2:
\Solve the system of two equations containing and
to find
value.
The equation is always not true.
Therefore, there are an infinite number of solutions.
\The solution of the system is infinte.