решите уравнение 21х+16х+55=166
81у+60+9у=960
59р-19р+125=565
58д+37д+212=972

21х+16х+55=16637х=166-5537х=111х=111:37х=381y+60+9y=96090y=960-6090y=900y=900:90y=1059p-19p+125=56540p=565-12540p=440p=440:40p=1158д+37д+212=97295д=972-21295д=760д=760:95д=8

21x+16x+55=16637x+55=16637x=166-5537x=111x=111:37x=359p-19p+125=56540p=565-12540p=440p=440:40p=1158д+37д+212=97295д=972-21295д=760д=760:95д=8