Rezolvati problema prin metoda mersului invers

Rezolvati Problema Prin Metoda Mersului Invers class=

Răspuns :

x-100+26-50+(3*10)+(4*50)-10+(2*50)=410
x-100+26-50+30+200-10+100=410
x-100+26-50+30+200-10=410-100=310
x-100+26-50+30+200=310+10=320
x-100+26-50+30=320-200=120
x-100+26-50=120-30=90
x-100+26=90+50=140
x-100=140-26=114
x-100=114
x=114+100
x=214