94.326-984:[212-(a100+10)]+279.383=373.217
94.326-984:(212-a110)=373.217-279.383
94.326-984:(212-a110)=93.834
984:(212-a110)=93.834+94.326
984:(212-a110)=188.160
212-a110=188.160×984
212-a110=185.159.440
a110=185.159.440+212
a110=185.159.652
a=185.159.652:110
a=1.683.176,72