The linear system is
Draw a coordinate plane
\Draw the linear equations
and
Plot the intersection point 

Check:
\To check solution, substitute x for
and y for
in the linear equations.

(Substitute x for
and y for
)
(Subtract:
) \ \

(Substitute x for
and y for
)
(Take LCM)
(Add:
)
(Divide:
)
The point satisfies the linear system. so, the solution is
.
The solution is
.