Question

x×(y+2)=91 dacă x=? ; y=?

Answer 1

x *(y+2)=91
91=1*7*13
daca x=1    y+2=91    y=91-2=89
daca x=7    y+2=13    y=13-2=11
daca x=13    y+2=7    y=7-2=5
daca x=91    y+2=1    y=1-2=-1