Question 412278
     x  -y =-3
    5x  +3y=1
multiply line 1 by 3

    3x  -3y= -9
    5x  +3y= 1

add 8x+0= -8
    x= -1
 substitute on any line (x,y) at crossing will be same 
-1 -y =-3

1 +y =3

y=2