3x+2y−5=03 x+2 y-5=03x+2y−5=0
3x+2y+5=03 x+2 y+5=03x+2y+5=0
3x−2y−1=03 x-2 y-1=03x−2y−1=0
−2x+3y+1=0-2 x+3 y+1=0−2x+3y+1=0