The equations of linear system are
.
Solve the equation 1:
for y, since the y has a coefficient of
.
Subtract 4x from each side.
\


Multiply each side by negative 1.
\
.
Substitute the value of
in the equation 2:
and solve for x.
Apply distributive property:
.


Add 136 to each side.
\

Divide each side by 23.
\
Cancel common terms.
\
.
Substitute the value of
in the equation
to find the value of y.


.
The solution
.
The option A is correct answer.