7. What is wrong with the following "declarations" and "comment": int x = y 22 ; cout

in C++

Extracted text: 7. What is wrong with the following "declarations" and "comment": int x = y 22 ; cout <" hello,="" *="" change?="" */="" world.="" \n="" ";="" 8.="" what="" does="" this="" statement="" mean?="" total="" +="--n;" 9.="" how="" do="" the="" following="" two="" statements="" differ:="" char="" ch="" 'a';="" char="" ch="">