200-X=89 y-445=38 56:x=8
200-x=89 X=200-89 X=111 __________ 200-111=89 y-455=38 y=455+38 y=493 __________ 493-455=38 56:x=8 X=56:8 X=7 _________ 56:7=8 Удачи !!!!!!