$\"\"$

Elimination method:

The system of equations are $\"\"$ .

$\"\"$ ----------(1)

$\"\"$ ----------(2)

To get two equations that contain opposite terms multiply the first equation by negative 2. $\"\"$

Add the equations to eliminate the x - variable and solve the equation.

$\"\"$

The resultant equation is $\"\"$ .

Divide each side by negative 8.

$\"\"$

The option A is correct answer.