55 090:b+8 867=9654
(55 090:b)+8867=9654
b= 55 090: (9654-8867)
b= 55 090:787
b= 70
(55 090:70)+8 867=9654
9654=9954
55 090:b+8 867=9654
(55 090:b)+8867=9654
b= 55 090: (9654-8867)
b= 55 090:787
b= 70
(55 090:70)+8 867=9654
9654=9954