Question 707390
Graph the two equations (first one is in green, second is in blue) to get this


{{{ drawing(500, 500, -10, 10, -10, 10,
 grid(1),
 graph( 500, 500, -10, 10, -10, 10,0,(-3x-6)/2,(2-x)/2)

)}}}

The two lines intersect at the point (-4,3), so that's the solution to the system.