X-2197=3934;5304-y=4999;z×43=4429;2592:y=24
Х =3934+2196 Х=6131 6131-2197=3934 У =5304-4999 У=305 5304-305=4999 Z=4429:43 Z=103 103*43=4429 y=2592:24 y=108 2592:108=24