The next even integer is 2 more than (2x-6).
That's 2x-4 .
(And by the way, if 'x' is any integer, then (2x) and
(2x+any even number) must all be even integers.)
It is 9 and 1/4. This is because 9 goes into 37 nine times with a remainder where is where the 1 in 1/4 comes from.