Question

nr x si y verifica egalitatea x(y+4)+y=98
Aflati nr x si y stiind ca x<y​

Answer 1

x(y+4)+y=98;  x<y​

x(y+4)+y=98    |+4

x(y+4)+(y+4)=102

(x+1)(y+4)=102

102=1•102=2•51=3•34=6•17

(x+1)(y+4)=1•102=>x=0 si y=98

(x+1)(y+4)=2•51=>x=1 si y=47

(x+1)(y+4)=3•34=>x=2 si y=30

(x+1)(y+4)=6•17=>x=5 si y=13

(x;y)={(0;98); (1;47); (2;30); (5;13)}