1376:(34-х)=86 9680:(х+219)=16
1376=86(34-х) 86х=1548 х=15
16(х+219)=9680 16х=6176 х=386
34-х=1376:86 34-х=16 х=34-16 х=18 х+219=9680:16 х+219=605 х=605-219 х=386