Răspuns :
(x+82945)-19686=540094
(x+82945)=540094+19686
x+82945=559780
x=559780-82945
x=476835
(x+82945)=540094+19686
x+82945=559780
x=559780-82945
x=476835
×+82945=540094+19686
×+82945=559780
×=559780-8294
×=476835
proba
476835+82945-19686=540094
×+82945=559780
×=559780-8294
×=476835
proba
476835+82945-19686=540094