please explane how to show my working out in this diophantine equation?
Peter was at a contest and anwered 16 questions. A right awnser is worth 5 points and a wong anwser he loses 3 points. Peter had no points at the end of the game. How many questions did peter get right?
i no the first step is
5x-3(n-x)=0
Peter was at a contest and anwered 16 questions. A right awnser is worth 5 points and a wong anwser he loses 3 points. Peter had no points at the end of the game. How many questions did peter get right?
i no the first step is
5x-3(n-x)=0