Răspuns :
a=nr initial de caramele
a/3+5=7
a=(7-5) x 3 =6 caramele
6:3=2
2+5=7
a/3+5=7
a=(7-5) x 3 =6 caramele
6:3=2
2+5=7
c-numarul de caramele;
⇒c/3+5=7
⇒c/3=2
⇒c=6[caramele-erau la inceput];
⇒c/3+5=7
⇒c/3=2
⇒c=6[caramele-erau la inceput];