3x=4y−22=03 x=4 y-22=03x=4y−22=0
5x−12y−152=05 x-12 y-152=05x−12y−152=0
−5x−12y+152=0-5 x-12 y+152=0−5x−12y+152=0
−2x+2y+55=0-2 x+2 y+55=0−2x+2y+55=0