Question 817488
 x+y+3=0
 3x-2y+4=0

 x +   y = -3
 3x - 2y = -4

multiply the top equation by 2
 2x + 2y = -6
 3x - 2y = -4  add these together

 5x      = -10
  x      = -2
Now substitute in
 x +   y = -3
 -2 +  y = -3
add 2 to each side
       y = -1
So x = -2 and y = -1