daca denisa da cate 2 bomboane fiecarui coleg ,un copil ramane cu o singura bomboana.Daca da cate 3 bomboane fiecarui coleg ,raman 4 colegi fara bomboane
plssssssssssssss
are 11 colegi si 21 de bomboane
x nr colegi
2(x-1) plus 1 egal 3(x-4)
2x-1 egal 3x-12
-xegal cu -11
x egal 11
proba 2 ori (11-1) plus 1 egal 3 ori (11-4)
