a+22.832=45400-654=44746
a=44.746-22.832
a=21.914
b+32.574=52.432-9.345=43.087
b=43.087-32.574
b=10513
c-34.243+22.222=28.805+13.432=42237
c-34.243=42237-22.222=20015
c=20015+34.243=54258
9572-d+12.200=5000+8.324=13.324
9572-d=13.324-12.200=1124
d=9572-1124=8.448