The equations of linear system are
where
.
Since the coefficient of the x - term in the above two equations is same, eliminate these terms by subtracting the equations.
\Write the equations in column form and subtract to eliminate variable x.
\
.
The resultant equation is
and solve it for y.
Divide each side by 5.
\
Cancel common terms.
\
.
Substitute the value of
in equation 2:
and solve for x.

Add 6 to each side.
\

Divide each side by a.
\
.
The solution is
.