The equations of linear system are
.
Since the coefficient of the y - term in two equations is same. So, eliminate these terms by subtracting the equations.
\Write the equations in column form and subtract to eliminate variable y.
\
.
The resultant equation is
and solve it for x.
Divide each side by 4.
\
Cancel common terms.
\
.
Substitute the value of
in equation 1:
and solve for y.

Subtract 3 from each side.
\

.
The solution is
.