In a contract of sale there is an implied warranty that the goods shall be free from any charge and incumbrance in favour of any third party,... the circumstances of the contract

А)0,7542*220-0,2458-20,9=165,924-0,2458-20,9=144,7782

Б)66,6*10-44,4*10+8,11=666-444+8,11=230,11

а)  при х=220 0,7542x-0,2458-20,9=0,7542*220-0,2458-20,9=144,7782

б)  при у=10   66,6*у-44,4у+8,11=66,6*10-44,4*10+8,11=666-444+8,11=230,11