85-х=35. 27+у=92. 61-х=12
Х=85-35=50 Х=92-27=65 Х=61-12=49
85-x=35 x=85-35 X=50 85-50=35 27+y=92 y=92-27 y=65 27+65=92
61-x=12 X=61-12 X=49 61-49=12